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Improving the Transmission Security of Vein Images Using a Bezier Curve and Long Short-Term Memory

Computers, Materials & Continua 2024年第6期79卷 4825-4844页

作者： Ahmed H.Alhadethi ikram Smaoui Ahmed Fakhfakh Saad M.Darwish Computer Science and School of Electronics and Telecommunications University of SfaxSfax3029Tunisia LETI Laboratory University of SfaxSfax3029Tunisia Digital Research Center of Sfax Technopark of SfaxSfax3029Tunisia Department of Information Technology Institute of Graduate Studies and ResearchAlexandria UniversityAlexandriaEgypt

The act of transmitting photos via the Internet has become a routine and significant *** the security measures to safeguard these images from counterfeiting and modifications is a critical domain that can still be further *** study presents a system that employs a range of approaches and algorithms to ensure the security of transmitted venous *** main goal of this work is to create a very effective system for compressing individual biometrics in order to improve the overall accuracy and security of digital photographs by means of image *** paper introduces a content-based image authentication mechanism that is suitable for usage across an untrusted network and resistant to data loss during *** employing scale attributes and a key-dependent parametric Long Short-Term Memory(LSTM),it is feasible to improve the resilience of digital signatures against image deterioration and strengthen their security against malicious ***,the successful implementation of transmitting biometric data in a compressed format over a wireless network has been *** applications involving the transmission and sharing of images across a *** suggested technique utilizes the scalability of a structural digital signature to attain a satisfactory equilibrium between security and picture *** effective adaptive compression strategy was created to lengthen the overall lifetime of the network by sharing the processing of *** scheme ensures a large reduction in computational and energy requirements while minimizing image quality *** approach employs multi-scale characteristics to improve the resistance of signatures against image *** proposed system attained a Gaussian noise value of 98%and a rotation accuracy surpassing 99%.

关键词： Image transmission image compression text hiding Bezier curve Histogram of Oriented Gradients(HOG) LSTM image enhancement Gaussian noise rotation

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The chromosome-level genome of double-petal phenotype jasmine provides insights into the biosynthesis of floral scent

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Horticultural Plant Journal 2024年第1期10卷 259-272页

作者： Xiangyu Qi Huadi Wang Shuyun Liu Shuangshuang Chen Jing Feng Huijie Chen Ziyi Qin Quanming Chen ikram Blilou Yanming Deng Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement Institute of Leisure AgricultureJiangsu Academy of Agricultural SciencesNanjingJiangsu 210014China School of Life Sciences Jiangsu UniversityZhenjiangJiangsu 212013China College of Horticulture Nanjing Agricultural UniversityNanjingJiangsu 210014China Shanghai Personal Biotechnology Company Limited Shanghai 200231China Biological and Environmental Sciences and Engineering King Abdullah University of Science and TechnologyThuwal 23955-6900Saudi Arabia

Jasmine(Jasminum sambac Aiton)is a well-known cultivated plant species for its fragrant flowers used in the perfume industry and ***,the genetic basis of its floral scent is largely *** this study,using PacBio,Illumina,10×Genomics and highthroughput chromosome conformation capture(Hi-C)sequencing technologies,a high-quality chromosome-level reference genome for *** was obtained,exploiting a double-petal phenotype cultivar‘Shuangbanmoli’(JSSB).The results showed that the final assembled genome of JSSB is 580.33 Mb in size(contig N50=1.05 Mb;scaffold N50=45.07 Mb)with a total of 39618 predicted protein-coding *** analyses revealed that the JSSB genome has undergone an ancient whole-genome duplication(WGD)event at 91.68 million years ago(Mya).It was estimated that *** diverged from the lineage leading to Olea europaea and Osmanthus fragrans about 28.8 *** the basis of a combination of genomic,transcriptomic and metabolomic analyses,a range of floral scent volatiles and genes were identified involved in the benzenoid/phenylpropanoid and terpenoid biosynthesis *** results provide new insights into the molecular mechanism of its fragrance biosynthesis in jasmine.

关键词： Jasminum sambac Aiton Oleaceae Genome evolution Floral scent Terpene synthase

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A Review of Rechargeable Zinc-Air Batteries:Recent Progress and Future Perspectives

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Nano-Micro Letters 2024年第7期16卷 358-401页

作者： Ghazanfar Nazir Adeela Rehman Jong-Hoon Lee Choong-Hee Kim Jagadis Gautam Kwang Heo Sajjad Hussain Muhammad ikram Abeer AAlObaid Seul-Yi Lee Soo-Jin Park Department of Nanotechnology and Advanced Materials Engineering Hybrid Materials Research Center(HMC)Sejong UniversitySeoul 05006Republic of Korea Department of Chemical and Biomolecular Engineering Yonsei University50 Yonsei-RoSeodaemun-GuSeoul 03722Republic of Korea Department of Chemistry Inha UniversityIncheon 22212Republic of Korea Solar Cell Applications Research Lab Department of PhysicsGovernment College University LahoreLahore 54000 PunjabPakistan Department of Chemistry College of ScienceKing Saud UniversityP.O.Box 2455Riyadh 11451Saudi Arabia

Zinc-air batteries(ZABs)are gaining attention as an ideal option for various applications requiring high-capacity batteries,such as portable electronics,electric vehicles,and renewable energy *** offer advantages such as low environmental impact,enhanced safety compared to Li-ion batteries,and cost-effectiveness due to the abundance of ***,early research faced challenges due to parasitic reactions at the zinc anode and slow oxygen redox *** advancements in restructuring the anode,utilizing alternative electrolytes,and developing bifunctional oxygen catalysts have significantly improved *** have achieved battery reversibility over thousands of cycles,introduced new electrolytes,and achieved energy efficiency records surpassing 70%.Despite these achievements,there are challenges related to lower power density,shorter lifespan,and air electrode corrosion leading to performance *** review paper discusses different battery configurations,and reaction mechanisms for electrically and mechanically rechargeable ZABs,and proposes remedies to enhance overall battery *** paper also explores recent advancements,applications,and the future prospects of electrically/mechanically rechargeable ZABs.

关键词： Zinc-air batteries Energy storage Affordability Reversibility

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Experimental and computational study of annealed nickel sulfide quantum dots for catalytic and antibacterial activity

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Nano Materials Science 2024年第3期6卷 355-364页

作者： Muhammad ikram Sawaira Moeen Ali Haider Anwar Ul-Hamid Haya Alhummiany Hamoud H.Somaily Souraya Goumri-Said Mohammed Benali Kanoun Solar Cell Applications Research Lab Department of PhysicsGovernment College University LahoreLahore54000PunjabPakistan Department of Clinical Sciences Faculty of Veterinary and Animal SciencesMuhammad Nawaz ShareefUniversity of Agriculture66000MultanPunjabPakistan Core Research Facilities King Fahd University of Petroleum&MineralsDhahran31261Saudi Arabia Department of Physics Faculty of ScienceUniversity of JeddahP.O.Box 13151Jeddah21493Saudi Arabia Department of Physics Faculty of ScienceKing Khalid UniversityP.O.Box 9004AbhaSaudi Arabia Physics Department College of Science and General StudiesAlfaisal UniversityP.O.Box 50927Riyadh11533Saudi Arabia Department of Mathematics and Sciences College of Humanities and SciencesPrince Sultan UniversityP.O.Box 66833Riyadh11586Saudi Arabia

This research investigates the hydrothermal synthesis and annealing duration effects on nickel sulfide(NiS_(2) quantum dots(QDs)for catalytic decolorization of methylene blue(MB)dye and antimicrobial *** size increased with longer annealing,reducing catalytic ***–vis,XRD,TEM,and FTIR analyses probed optical structural,morphological,and vibrational *** confirmed NiS2's anorthic structure,with crystallite size growing from 6.53 to 7.81 nm during extended ***–Vis exhibited a bathochromic shift,reflecting reduced band gap energy(Eg)in NiS_(2).TEM revealed NiS_(2)QD formation,with agglomerated QD average size increasing from 7.13 to 9.65 nm with prolonged *** NiS_(2) showed significant MB decolorization(89.85%)in acidic *** NiS_(2) QDs demonstrated notable antibacterial activity,yielding a 6.15mm inhibition zone against Escherichia coli(***)compared to ***-principles computation supported a robust interaction between MB and NiS_(2),evidenced by obtained adsorption *** study highlights the nuanced relationship between annealing duration,structural changes,and functional properties in NiS_(2)QDs,emphasizing their potential applications in catalysis and antibacterial interventions.

关键词： NiS_(2) antibacterial quantum dots dye degradation DFT

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Male and Female Hypogonadisms: Etiological, Metabolic and Osteodensitometric Aspects

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Open Journal of Endocrine and Metabolic Diseases 2024年第2期14卷 39-52页

作者： Nestor Ghislain Andzouana Mbamognoua ikram Damoune Sana Doubi Asmae Lahlou Farida Ajdi Department of Metabolic and Endocrine Diseases Brazzaville University Hospital Brazzaville Republic of the Congo Faculty of Health Sciences Marien Ngouabi University Brazzaville Republic of Congo Department of Endocrinology Metabolic Diseases Hassan II University Hospital of Fez Fez Morocco

Introduction: Studies showed a high prevalence of metabolic abnormalities including dyslipidemia, type 2 diabetes in cases of low testosterone in men and which are associated with increased cardiovascular risk. Hypogonadism represents the second cause of endocrine osteoporosis. Objectives: The objectives of our work were: to determine the main causes of hypogonadism in women and men;to assess the frequency of metabolic and osteosdensitometric abnormalities in the hypogonadal population. Patients and methods: A retrospective descriptive study was carried out over 7 years on 120 patients, hospitalized in the Endocrinology department of the Hassan II University Hospital of Fez-Morocco for hypogonadism. The patients selected were those who had symptoms of hypogonadism confirmed in men by: low total testosterone for Tanner stage in adolescents, ng/ml or lower limit of normal for adults;in women, hypoestrogenia 30 pg/l. Gonadotropin dosage, karyotype, pelvic or testicular ultrasound and pituitary MRI, for etiological diagnosis, were performed. Bone densitometry was performed for bone impact and lipid profile for metabolic profile. Results: Out of 120 patients, there were 77 women and 43 men. The average age was 31.51 years. In men, the main causes were central hypogonadism in 67.4% and primary testicular failure in 32.6%. In women, central hypogonadism was also the most common cause noted in 63.7% and premature ovarian failure was observed in 36.4%. HypoHDL was significantly more frequent p (0.005) in women, osteopenia and osteoporosis were significantly more frequent in women than in men p (0.046). Conclusion: Central causes represent the most common etiology of hypogonadism in both sexes;abnormalities of bone mineralization and metabolic disorders were predominant in women.

关键词： Hypogonadism Etiological Metabolic Osteodensitometric Fez

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Return to Dialysis after Kidney Graft Failure

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Open Journal of Nephrology 2024年第2期14卷 240-252页

作者： ikram ftaim. Soukaina Sakab Manal Chattahi Tarik Bouattar Loubna Benamar Rabia Bayahia Naima Ouzeddoun Service de Nphrologie-Dialyse-Transplantationrnale CHU Ibn Sina Rabat Universit Mohammed V Rabat Morocco

Introduction: The transition period from renal transplantation to dialysis is associated with high morbidity and mortality. The aim of this study is to describe the clinical and paraclinical characteristics, therapeutic management and evolutionary profile of patients returning to dialysis after kidney graft failure. Material and Methods: This was a retrospective, descriptive study conducted in the Nephrology-Dialysis-Renal Transplant Department at university hospital IbnSina between January 1998 and December 2021. We included all renal transplant recipients who had experienced kidney graft dysfunction and returned to dialysis. Patients with a follow-up after return to dialysis of less than 1 year were excluded. Results: Among 166 renal transplant recipients, 20 returned to dialysis after a median renal graft life of 85.5 months [42 - 186], corresponding to a prevalence of 12%. The mean age of our patients was 38.7 ± 11.9 years, with a M/F sex ratio of 2.3. Dialysis was initiated urgently in 10 patients (50%). Hemodialysis was the most commonly used modality (75%). Central venous catheterization was used in 35% of cases, including tunneled catheters. General condition is impaired in all patients, with persistent hypertension in 70% of cases. Mean uremia was 2.35 ± 0.8 g/l, mean creatinine 116 ± 48.3 mg/l, giving a mean GFR of 5.1 ± 2.2 ml/min. Mean albuminemia was 32.9 ± 6 g/l and mean hemoglobinemia 8.6 ± 1.9 g/dl. During the first year of follow-up, none of the patients died. However, 13 patients required hospitalization, with a mean length of stay of 15 days. Eight patients were hospitalized for infections and 5 for renal graft intolerance syndrome. After a mean follow-up of 22 months, 6 patients were detransplanted following graft necrosis. Conclusion: Return to dialysis after RT is fraught with a high rate of complications. The management of these patients must be optimized to improve their vital prognosis and quality of life.

关键词： Kidney Graft Failure Dialysis Detransplantation Immunosuppression

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多类混凝土损伤比强度理论及塑性-损伤模型研究进展与应用

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铁道科学与工程学报 2024年

作者：丁发兴吴霞吕飞王文君孙浩 Sadat Said ikram 许云龙王恩王莉萍余志武中南大学土木工程学院

为完善混凝土强度理论和塑性-损伤模型，通过参考岩石损伤比强度理论，根据现有普通混凝土、再生混凝土、轻骨料混凝土和纤维混凝土等多类混凝土多轴强度试验数据，推荐损伤比变量中的五经验系数取值，完善多类混凝土损伤比强度理论并... 详细信息

为完善混凝土强度理论和塑性-损伤模型，通过参考岩石损伤比强度理论，根据现有普通混凝土、再生混凝土、轻骨料混凝土和纤维混凝土等多类混凝土多轴强度试验数据，推荐损伤比变量中的五经验系数取值，完善多类混凝土损伤比强度理论并揭示约束混凝土工作原理。分析表明，随着静水压力的增加，混凝土压损伤比将由单轴受压时为1左右线性递减至小于0.5，八面体剪应力先增大后减小，轴向峰值应力提升为某一定值，压损伤比取值减小引发非弹性体积膨胀减小至不变，因而导致混凝土由单轴受压脆性破坏向多轴受压塑性破坏转变，该理论为钢管混凝土柱中发挥混凝土耗能潜力提供理论依据。依据混凝土损伤比强度理论，确定多类混凝土塑性-损伤模型中的三轴强度参数，包括膨胀角、拉压子午线强度比值和二轴等压与单轴抗压强度比值，并建议常温静力荷载下多类混凝土的单轴受压、受拉应力-应变曲线方程及其参数表达式，常温地震荷载下普通混凝土的单轴受压、受拉应力-应变曲线方程及其参数表达式，以及火灾升温环境下普通混凝土的单轴受压、受拉应力-应变曲线方程及其参数表达式，建立约束混凝土三轴塑性-损伤模型。介绍多类混凝土塑性-损伤模型在钢-混凝土组合结构有限元模型中的应用，模型中混凝土采用实体单元而钢管与钢梁采用壳单元，可模拟钢管与混凝土之间的界面滑移与约束作用，当采取增强约束拉筋强柱构造方法时可提升钢管混凝土柱及其结构的承载力、抗震与抗火性能。

关键词：混凝土损伤比强度理论塑性-损伤模型三轴参数应力-应变曲线实体-壳单元模型

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Infectious causes of fever of unknown origin in developing countries: An international ID-IRI study

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Journal of Intensive Medicine 2024年第1期4卷 94-100页

作者： Hakan Erdem Jaffar AAl-Tawfiq Maha Abid Wissal Ben Yahia George Akafity Manar Ezzelarab Ramadan Fatma Amer Amani El-Kholy Atousa Hakamifard Bilal Ahmad Rahimi Farouq Dayyab Hulya Caskurlu Reham Khedr Muhammad Tahir Lysien Zambrano Mumtaz Ali Khan Aun Raza Nagwa Mostafa El-Sayed Magdalena Baymakova Aysun Yalci Yasemin Cag Umran Elbahr Aamer ikram Department of Infectious Diseases&Clinical Microbiology Gulhane School of MedicineTurkish Health Sciences UniversityAnkaraTurkey Specialty Internal Medicine and Quality and Patient Safety Department Johns Hopkins Aramco HealthcareDhahranSaudi Arabia Division of Infectious Diseases Indiana University School of MedicineIndianapolisINUSA Department of Infectious Diseases Farhat Hached University HospitalIbn El Jazzar Medical SchoolUniversity of SousseSousseTunisia Internal Medicine Department Farhat Hached University HospitalIbn El Jazzar Medical SchoolUniversity of SousseSousseTunisia Cape Coast Teaching Hospital Cape CoastGhana Medical Parasitology Faculty of MedicineSuez UniversitySuezEgypt Department of Medical Microbiology and Immunology Faculty of MedicineZagazig UniversityZagazigEgypt Department of Clinical Pathology Faculty of MedicineCairo UniversityGizaEgypt Department of Infectious Diseases School of MedicineIsfahan University of Medical SciencesIsfahanIran Department of Infectious Diseases Kandahar University Medical FacultyTeaching HospitalKandaharAfghanistan Department of Infectious Diseases Mohammed Bn Khalifa Bn Salman Alkhalifa Specialist Cardiac CenterAwaliBahrain Department of Infectious Diseases and Clinical Microbiology Faculty of MedicineIstanbul Medeniyet UniversityIstanbulTurkey Department of Pediatric Oncology National Cancer Institute–Cairo UniversityChildren Cancer Hospital EgyptCairoEgypt Department of Medicine Federal General HospitalIslamabadPakistan Institute for Research in Medical Sciences and Right to Health(ICIMEDES) Scientific Research Unit(UIC)Faculty of Medical Sciences(FCM)National Autonomous University of Honduras(UNAH)TegucigalpaHonduras National Institute of Health IslamabadPakistan Shaukat Khanum Memorial Cancer Hospital and Research Center LahorePakistan Medical Parasitology Department Research Institute of OphthalmologyGizaEgypt Department of Infectious Diseases Military Medical AcademySofiaBulgaria Department of Infecti

Background:Fever of unknown origin(FUO)in developing countries is an important dilemma and further research is needed to elucidate the infectious causes of ***:A multi-center study for infectious causes of FUO in lower middle-income countries(LMIC)and lowincome countries(LIC)was conducted between January 1,2018 and January 1,*** total,15 participating centers from seven different countries provided the data,which were collected through the Infectious DiseasesInternational Research Initiative *** adult patients with confirmed infection as the cause of FUO were included in the *** severity parameters were quick Sequential Organ Failure Assessment(qSOFA)≥2,intensive care unit(ICU)admission,vasopressor use,and invasive mechanical ventilation(IMV).Results:A total of 160 patients with infectious FUO were included in the ***,148(92.5%)patients had community-acquired infections and 12(7.5%)had hospital-acquired *** most common infectious syndromes were tuberculosis(TB)(n=27,16.9%),infective endocarditis(n=25,15.6%),malaria(n=21,13.1%),brucellosis(n=15,9.4%),and typhoid fever(n=9,5.6%).Plasmodium falciparum,Mycobacterium tuberculosis,Brucellae,Staphylococcus aureus,Salmonella typhi,and Rickettsiae were the leading infectious agents in this study.A total of 56(35.0%)cases had invasive procedures for *** mean qSOFA score was 0.76±0.94{median(interquartile range[IQR]):0(0–1)}.ICU admission(n=26,16.2%),vasopressor use(n=14,8.8%),and IMV(n=10,6.3%)were not ***,38(23.8%)patients had at least one of the severity *** mortality rate was 15(9.4%),and the mortality was attributable to the infection causing FUO in 12(7.5%)***:In LMIC and LIC,tuberculosis and cardiac infections were the most severe and the leading infections causing FUO.

关键词： Developing countries Fever of unknown origin Infection

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Numerical modelling of the stress in the Pamir-Hindu Kush region

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Geodesy and Geodynamics 2022年第1期13卷 83-91页

作者： ikram Atabekov Mirzoid Muminov Aziz Atabekov Institute of Seismology Tashkent100128Uzbekistan National University of Uzbekistan Tashkent100174Uzbekistan

The current stress state of the Earth's crust in Central Asia depends entirely on the interaction of the Eurasian plate with the Indian and Arabian ***,an essential role in this action is played by the subduction process in the Pamir-Hind Kush *** this region,deep earthquakes and anomalies in seismic velocities indicate subduction of the Indian *** determine the effect of earthquakes on the stress state of the Earth's crust in Central Asia,we analyzed the hypocenters according to the available data over a hundred *** the envelope of the hypocenters as the surface of the subducted indenter,we analyzed its penetration into the *** of the pushing force of the indenter,the velocity of the Indian plate is taken into consideration.A model of the stresses is constructed on the equations of creeping motion of a viscous incompressible *** stress variation in the Earth's crust and mantle was calculated as the stress difference before and after the *** mechanism of earthquakes is modelled by an introduction of equivalent volume forces in the equilibrium equations corresponding to a couple dipoles without a *** equations of creeping motion are numerically solved using boundary element *** experiments with different physical model pa-rameters for the Earth's crust and mantle were *** introduce the negative buoyancy of the subducting plate,partial eclogitization of the rocks in the collision zone was *** a result,a certain combination of stiffness and density was determined for the lithosphere and mantle,which explained the peculiarities of this *** influence of crustal and mantle earthquakes in the Pamir-Hindu Kush region on the change in background stresses in Central Asia was analyzed which are not higher than 2-3%.

关键词： Pamir-hindu kush Stress state Mantle earthquakes Boundary element method

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Predictors of complicated dengue infections in endemic region of Pakistan

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Asian Pacific Journal of Tropical Medicine 2022年第11期15卷 496-502页

作者： ikram Waheed Samreen Khalid Zubia Jamil Department of Medicine Fauji Foundation HospitalRawalpindi 46000Pakistan Department of Medicine Foundation University Medical CollegeFoundation UniversityDHA Phase 1 Islamabad 44000Pakistan

Objective:To predict the factors associated with progression to severe dengue infection to prevent potentially fatal complications and to identify the determinants of severe complicated ***:The study was conducted in a tertiary care hospitaldengue ward from September to November 2021 including confirmed dengue infected patients(positive NS1 antigen or antidengue-antibodies IgM).Secondary dengue infection was labelled by positive anti-dengue-antibodies IgG in active dengue infected *** history,physical examination,laboratory and radiological parameters,hospital stay(days)and mortality percentages were *** were classified into three groups according to disease severity:dengue fever(DF),dengue hemorrhagic fever(DHF)and dengue shock syndrome(DSS).The predictors of complicated dengue infection were determined by regression ***:The most common symptom was fever(96.9%).Among 129 patients,62.8%had DF,31.0%had DHF and only 6.2%developed *** of previous symptomatic dengue and positive anti-dengue-antibodies IgG were present in 100%DSS patients and nearly 75.0%DHF patients(P<0.05).The moratlity rate in patients with DSS,DHF and DF was 50.0%,2.5%and none respectively(P<0.05).Clinical parameters(body aches,bleeding,conjunctival hemorrhage,maculopapular rash,right hypochondrial tenderness,ascites,pleural effusion)and laboratory parameters(thrombocytopenia,raised alanine aminotransferase and secondary dengue infection)were determinants that complicate the dengue ***:Thrombocytopenia,raised alanine aminotransferase and secondary dengue infection are important laboratory parameters to complicate the disease process of dengue infection.

关键词： Dengue fever Severe dengue Endemic diseases Thrombocytopenia Hemorrhage Shock

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