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Qualification of Soybean Responses to Flooding Stress Using UAV-Based Imagery and Deep Learning

Plant Phenomics 2021年第1期3卷 365-377页

作者： Jing Zhou Huawei Mou Jianfeng Zhou md Liakat ali Heng Ye Pengyin Chen Henry T.Nguyen Division of Food Systems and Bioengineering University of MissouriColumbiaMO 65211USA Bioenergy and Environment Science&Technology Laboratory College of EngineeringChina Agricultural UniversityBeijing 100083China Fisher Delta Research Center University of MissouriPortagevilleMO 63873USA Division of Plant Sciences University of MissouriColumbiaMO 65211USA

Soybean is sensitive to flooding stress that may result in poor seed quality and significant yield *** production under flooding could be sustained by developing flood-tolerant cultivars through breeding ***,soybean tolerance to flooding in field conditions is evaluated by visually rating the shoot injury/damage due to flooding stress,which is labor-intensive and subjective to human *** developments of field high-throughput phenotyping technology have shown great potential in measuring crop traits and detecting crop responses to abiotic and biotic *** goal of this study was to investigate the potential in estimating flood-induced soybean injuries using UAV-based image features collected at different flight *** flooding injury score(FIS)of 724 soybean breeding plots was taken visually by breeders when soybean showed obvious injury *** images were taken on the same day using a five-band multispectral and an infrared(IR)thermal camera at 20,50,and 80 m above *** image features,i.e.,canopy temperature,normalized difference vegetation index,canopy area,width,and length,were extracted from the images at three flight heights.A deep learning model was used to classify the soybean breeding plots to five FIS ratings based on the extracted image *** show that the image features were significantly different at three flight *** best classification performance was obtained by the model developed using image features at 20 m with 0.9 for the five-level *** results indicate that the proposed method is very promising in estimating FIS for soybean breeding.

关键词： Deep image breeding

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Development of Environment Friendly Paddy Ecosystem for Sustainable Rice Farming through Soil Amendments with Biochar and Alternate Wetting-Drying Irrigations

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American Journal of Climate Change 2021年第4期10卷 581-596页

作者： Muhammad Aslam ali md. Rajib Hassan Zubair Al Islam Sanjit Chandra Barman Badiuzzaman Khan Rehana Khatun Hafsa Jahan Hiya md. Touhidul Islam Department of Environmental Science Bangladesh Agricultural University Mymensingh Bangladesh Department of Irrigation and Water Management Bangladesh Agricultural University Mymensingh Bangladesh

Climate change may badly affect the availability of water and soil nutrients to rice plant. Research experiments were conducted at the Environmental Science Departmental field, Bangladesh Agricultural University, Mymensingh during July 2017 to June 2019, to find out the suitable combination of biochar with inorganic fertilizers for minimizing seasonal yield scaled CH4 emissions, reducing global warming potentials (GWPs) and sustainable rice farming under feasible irrigation practices. There were ten experimental treatments with different combinations of inorganic NPKS fertilizers and biochar (15 - 30 t/ha) under conventional flooding (CF) and alternate wetting-drying irrigations (AWDI). This study revealed that NPKS fertilization (50% of the recommended doze) with 15 t/ha biochar amendments under AWD irrigation maximized rice yield 6750 kg/ha and 4380 kg/ha in dry boro and wet aman seasons respectively, while the lowest rice yield 1850 kg/ha and 1550 kg/ha were recorded in continuously irrigated control treatment (T1) during the dry and wet seasons respectively. Seasonal cumulative CH4 emission, yield scaled CH4 emission and GWPs were suppressed significantly with biochar amendments 15 - 30 t/ha under both conventional and AWDI irrigation systems during the wet and dry seasons of rice cultivation. Significant interactions were observed among biochar amendments and irrigation practices during the dry boro rice cultivation. Dry seasonal cumulative CH4 emissions were decreased by 14.7%, 18.9% and 24.8% with biochar amendments at 15 t/ha, 20 t/ha and 30 t/ha respectively under conventional irrigation;while cumulative CH4 emissions were reduced by 10.6%, 26% and 41.6% respectively, under AWDI system. Finally, total global warming potentials (GWPs) were decreased by 6% - 15%, 13% - 30% with biochar amendments under conventional and AWDI irrigations respectively, in wet season;while global warming potentials

关键词： CH4 Flux GWPs AWDI Yield Scaled CH4 Emission Dry Boro Rice Rainfed Aman Rice

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Low-cost mobile hatchery produced silver barb(Barbodes gonionotus)fingerling:it's growth and economic performance in intensive culture system

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Journal of Coastal Life Medicine 2014年第8期 601-605页

作者： S.M.Mustafizur Rahman Biplob Basak Siddhwartha Kumar Basak md.Rushna Alam md.Mohsin ali Mohammad Mahfujul Haque Departmen of Aquaculture Bangladesh Agricultural UniversityMymensinghBangladesh Department of Aquaculture Patuakhali Science and Technology UniversityPatuakhaliBangladesh

Objective:To explore the growth performance of low-cost mobile hatchery produced silver barb(Barbodes gonionotus)fingerling comparing with typical one,field laboratory complex ***:Assigning Treatment I and Treatment II stoked with low-cost mobile hatchery and field laboratory complex hatchery originated fingerling of silver barb in plastic circular ***:The average weight gain(g/day)of fish was 0.18 and 0.16 g,length gain(cm/d)0.03 and 0.02,gross yield 0.09 and 0.08 kg/tank per month,net yield 0.03 and 0.01 kg/tank per month respectively in Treatment I and Treatment *** growth of low-cost mobile hatchery produced silver barb was higher(P<0.05)although SGR(%/d)was 1.63 and 1.89 and FCR was 2.57 and 2.55 for Treatment I and Treatment II,correspondingly and survival was 100%in both *** case of economic efficiency,total operating cost were BDT 68.91 and 67.41,revenue BDT 107.35 and 89.30,net profit BDT 38.44 and 21.89 and BCR 1.55 and 1.32 respectively in low-cost mobile hatchery and field laboratory complex hatchery produced ***:The fry from both origins showed more or less similar growth performance and none of them was *** the economic feasibility in both cases,it is assumed that the intensive culture of silver barb is possible at field level.

关键词： Fingerling Mobile hatchery Growth performance Barbodes gonionotus

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Identification of Inference Genes in Breast Cancer Network

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Journal of Biosciences and Medicines 2017年第9期5卷 29-42页

作者： Keilash Chirom Shahnawaz ali md. Zubbair Malik Romana Ishrat R. K. Brojen Singh School of Computational & Integrative Sciences Jawaharlal Nehru University New Delhi India Centre for Interdisciplinary Research in Basic Sciences Jamia Millia Islamia New Delhi India

Complex breast cancer network constructed from experimentally verified seventy genes, by coordinating standard seven human protein and genome databases, follows hierarchical scale free features. Centrality based method of identification of inferred genes is implemented to this network and has predicted forty nine breast cancer genes, and nineteen non-breast cancer genes. As predicting good candidate genes before experimental analysis will save time and effort both. Fourteen genes out of nineteen are found to involve in various types of cancer and diseases, and five genes are engaged in non-cancer diseases. Some of the inferred genes need proper experimental investigation to understand fundamental roles of these genes in regulating breast cancer network.

关键词： Breast Cancer Network Theory Inference Genes Topological Propreties Centrality

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Types of Infertility and Its Risk Factors among Infertile Women: A Prospective Study in Dhaka City

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Journal of Biosciences and Medicines 2022年第4期10卷 158-168页

作者： Munama Magdum md. Abir Tazim Chowdhury Nasima Begum Sayeda Riya Department of Community Medicine Shaheed Monsur Ali Medical College Dhaka Bangladesh Department of Cardiothoracic and Vascular Surgery Evercare Hospital Dhaka Bangladesh Department of Community Medicine Sir Salimullah Medical College Dhaka Bangladesh

Background: Infertility is a global health issue, and it is a multidimensional problem with social, economic, and cultural influences. Objectives: The study aimed to determine types of infertility and their contributing factors among the respondent infertile women. Methods: This prospective cross-sectional study was conducted among infertile women visiting Sir Salimullah Medical College and Hospital, Dhaka. From January to December 2020, 111 infertile women were included and evaluated for infertility types and their contributing factors. Data were collected by face-to-face interviewing, and data were analyzed statistically. Results: Primary infertility was found among 90 (81%) and secondary infertility among 21 (18.9%). Among the direct risk factors of female infertility, ovulation failure was the majority of the cases, 74 (35.1%), and its mainly observed in primarily infertile women 58 (33.9%). These observations were statistically significant. Conclusions: Infertility should be treated as a public health problem, government and non-government organizations should develop a basic policy to create effective fertility centers.

关键词： Women Infertility Primary Infertility Secondary Infertility Direct Risk Factors of Infertility Indirect Risk Factors of Infertility

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不同骨性错颌畸形中下颌第三磨牙角度与前牙拥挤度及唇侧骨厚度相关性的CBCT分析

不同骨性错颌畸形中下颌第三磨牙角度与前牙拥挤度及唇侧骨厚度相...

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作者： OHOOD ABDU AL-WAHED ali HAIDER（龙昕敏）中南大学

学位级别：硕士

背景:前牙拥挤对一个人的微笑、外观以及自尊都会产生较大的不利影响。尽管对于轻中度的前牙拥挤其治疗难度不高,但若能探明诱发牙列拥挤的病因,对其进行早期阻断及时干预,能减少患者正畸治疗的难度,降低治疗后复发的程度,更好地维护患... 详细信息

背景:前牙拥挤对一个人的微笑、外观以及自尊都会产生较大的不利影响。尽管对于轻中度的前牙拥挤其治疗难度不高,但若能探明诱发牙列拥挤的病因,对其进行早期阻断及时干预,能减少患者正畸治疗的难度,降低治疗后复发的程度,更好地维护患者的口腔健康。在引起牙列拥挤的因素中,下颌阻生第三磨牙(Impacted Mandibular Third Molar,IM3M)与牙列拥挤的关系是最具争议的。下颌第三磨牙是最常见的阻生牙,在世界各地的人群中均有较高的发病率,不同的种族发病率有显著的差异,其中新加坡华人中发病率最高,为68.6%。一般来说,其在下颌发病率高于上颌,女性发病率高于男性。现有文献中对下颌前牙拥挤和第三磨牙之间的相关性一直尚未完全明确,需要更多的样本和数据去证明其相互间的关系。一些研究采用了全景射线照相术(Panoramic Radiograph,OPG.)作为诊断和测量的工具来评估阻生第三磨牙与不同牙弓参数之间的关系。然而,全景射线照相术是一种二维模式,可能产生相邻解剖结构的重叠,导致潜在的数据错误。锥形束计算机断层扫描(Cone Beam Computed Tomography,CBCT)提供了一个快速、可靠和准确的牙齿大小和牙弓尺寸测量的方法。高分辨率的CBCT图像使临床医生能够评估牙槽骨的形状和大小,而不受常规X线摄影的局限性。评估在不同类型错畸形患者中下颌阻生第三磨牙与下颌牙弓在三个空间平面的位置之间的关系,可能有助于成年患者拔除阻生第三磨牙的决策过程。然而目前在文献中仍然缺乏利用CBCT评估阻生第三磨牙与牙弓参数(如前牙拥挤、前牙倾斜、牙弓长度和牙弓宽度)之间关系的研究。在不同骨性错畸形患者中,前牙骨皮质厚度存在着差异,而牙列拥挤对于前牙骨皮质厚度较薄的患者更容易产生骨开窗、骨开裂的风险,在治疗过程中,临床医生应谨慎地调整切牙的位置,以免出现不良后果,这在牙齿的大小和牙弓的可用空间骨量之间存在明显差异的情况下尤其关键,所以分析不同骨性错患者下颌前牙拥挤和前牙唇侧骨质厚度的联系将有助于医生对患者正畸风险早期评估,为临床医生提供重要信息。目的:1-评估骨性I类患者双侧IM3M颊舌向倾斜角度(Buccolingual Angulation,BL°)和近远中向倾斜角度(Mesiodistal Angulation,md°)与下颌牙弓参数(前牙拥挤度,前后向以及水平向牙弓参数)之间的三维关系。2-评估骨性Ⅰ类和骨性Ⅱ类中国女性的双侧IM3M倾斜角度与下颌前牙拥挤度关系及下颌前牙拥挤度与下颌前牙唇侧骨厚度的关系。第一部分:骨性Ⅰ类错患者下颌阻生第三磨牙的角度与下颌牙弓参数之间的关系材料和方法:本研究是一项回顾性的横断面比较研究,纳入骨性Ⅰ类(头影测量中ANB=2.7°±2.0)的患者。研究样本包括120名在CBCT上有双侧M3M的成人。研究样本被分为研究组和对照组。研究组纳入了 100名双侧IM3M的患者(43名男性和57名女性),而对照组纳入了 20名CBCT上显示双侧M3M正常萌出的患者(8名男性和12名女性)。利用CBCT在水平面、冠状面和矢状面上对M3M的BL°和md°进行测量。研究样本根据IM3M BL°分为四组:A组24°偏离牙槽骨中心(N=30),D组(N=20)(对照组,双侧M3M正常萌出)。研究样本根据IM3M md°进一步分为三组;第一组10°-45°,第二组>45°,第三组(对照组,双侧M3M正常萌出,0-10°)。在CBCT上测量每组的牙弓参数,如前牙倾斜度(Anterior Teeth Inclination,AI)、前牙拥挤度(Anterior Dental Crowding,ADC)、牙弓长度(Arch Length,AL)、尖牙间宽度(Inter Canine Width,Inter CW)、前磨牙间宽度(Inter premolar Width,Inter PMW)和磨牙间宽度(Inter Molar Width,Inter MW)然后将这些测量结果与对照组进行比较。最后,对结果进行统计分析,以确定IM3M的颊舌向和近远中向倾斜角度与前牙拥挤度,前后向,水平向牙弓参数之间的关系。结果:1-单因素方差分析显示,不同IM3M BL°分组在前牙倾斜度(P<0.001)、牙弓长度(P<0.01)和第二磨牙间宽度(P<0.001)上存在高度显著的差异性。组间比较结果显示,A、B、C和D组之间的前牙倾斜度有显著差异。与A组相比,C组的倾斜角度增加了7.2°(P<0.001)。此外,D组的倾斜角度比A组增加了5.1°(P<0.05)。同样地,C组与B组相比,前牙的倾斜度增加了3.8°(P<0.05)。然而,B组和D组之间、C组与

关键词： CBCT 牙弓参数下颌第三磨牙角度唇侧骨厚度错畸形中国女性

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Outcome of Long Segment Transpedicular Screw Fixation in Unstable Thoracolumbar Spine Injury with Incomplete Neurological Deficit

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Journal of Biosciences and Medicines 2020年第3期8卷 166-187页

作者： Shah md. Rezaul Karim A. K. M. Shahidur Rahman Syed Abdus Sobhan md. Shahidul Islam Akon Muhammad Akter Hossain Ashraf ali Shah Newas md. Ruhul Quddus md. Moshiur Rahman Mollick Department of Surgery Sheikh Hasina Medical College Hospital Habiganj Bangladesh Department of Nephrology Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka Bangladesh Department of Orthopaedic Surgery Dhaka Medical College Hospital (DMCH) Dhaka Bangladesh Department of Anatomy Chandpur Medical College Chandpur Bangladesh Department of Cardiology Abdul Malek Ukil Medical College Hospital Noakhali Bangladesh Department of Orthopaedic Surgery National Institute of Traumatology and Orthopedic Rehabilitation (NITOR) Dhaka Bangladesh Department of Biochemistry Pabna Medical College Pabna Bangladesh Department of Orthopaedic Surgery Sheikh Hasina Medical College Hospital Habiganj Bangladesh

Background: Long segment transpedicular screw fixation in thoracolumbar spine injury has gained popularity in the last decades as it provides immediate stability, prevents further risk of complications and allows early mobilization of patient. Objectives: Evaluation of clinical and functional outcome after long segment transpedicular screw fixation in unstable thoracolumbar spine injury with incomplete neurological deficit patients. Methods: This quasi experimental study was conducted at Dhaka Medical College and Hospital (DMCH), Dhaka, Bangladesh from January 2016 to December 2017. A total of twenty four (24) patients with traumatic unstable fracture of the thoracolumbar spine with incomplete neurological deficit underwent long segment transpedicular screw fixation were included in this study. Clinical and radiologic outcomes were assessed pre-operatively and post-operatively. Results: A total of 24 patients aged between 20 - 60 years of both sexes (Male-21, Female-03) were included in this study. Their mean (±SD) age was 33.12 (±8.57) years. Most of them were farmer [09 (37.5%)] and day labour [08 (33.33%)]. Motor vehicle accidents were the most common [16 (66.67%)] cause of injury and then fall from height [08 (33.33%)]. The most common level of injury involved was L1-10 (41.67%) patients, followed by L2-07 (29.17%), T12-05 (20.83%) and T11-02 (8.33%) of the study patients. Burst fracture was the commonest [22 (91.67%)] type of fracture followed by Chance fracture [02 (8.33%)]. Pre-operative mean (±SD) Cobb angle, Kyphotic deformation of vertebral body, Beck index and vertebral compression deformity were 21.83 ± 4.5 degrees, 22.09 ± 4.40 degrees, 0.78 ± 2.65 and 0.18 ± 0.93 mm respectively, after procedure which were significantly (p Conclusions: Long segment transpedicular screw fixation is an effective method of treatment in patients having thoracolumbar spine injury with incomplete neurological deficit.

关键词： Neurological Deficit Transpedicular Screw Fixation Unstable Thoracolumbar Spine Injury

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Antidiabetic Drugs in Combination with Hydroxychloroquine Improve Glycemic Control in Alloxan Induced Diabetic Rats

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Pharmacology & Pharmacy 2014年第7期5卷 725-735页

作者： Shaheda Zannah md. Saiful Islam A. F. M. Towheedur Rahman md. Asaduzzaman Abdul alim Al Bari Yusuf ali Gazi Jahirul Islam A. H. M. Khurshid Alam Hazrat ali Mamunur Rashid Department of Chemistry Khulna University of Engineering and Technology Khulna Bangladesh Department of Pharmacy University of Rajshahi Rajshahi Bangladesh

Worldwide prevalence of diabetes mellitus has become an issue of great concern in current decades. This life threatening disease is associated with worsening of glycemic control and progressive metabolic dysfunctions. Objective: Current study aimed to investigate the effect of hydroxychloroquine (HCQ) as an adjunct to glibenclamide or metformin on glycemic control in alloxan induced diabetic rats. Methods: HCQ was combined separately with two conventional anti-diabetic drugs;glibenclamide and metformin. At first, alloxan (120 mg/kg) induced diabetic rats were treated with single dose of metformin (850 mg/70 kg BW), glibenclamide (10 mg/70 kg BW) and HCQ (300 mg/70 kg BW) intraperitoneally once daily for two weeks. Then non fixed dose combinations of glibenclamide (5 mg/70 kg BW) with HCQ (150 mg/70 kg BW) and metformin (425 mg/70 kg BW) with HCQ (150 mg/70 kg BW) were injected along with those of the three drugs alone once daily for four weeks. Results: In alloxan induced diabetic rats, glibenclamide, metformin and their combination therapies reduced blood glucose level significantly but combination therapies are the most effective. Glibenclamide or metformin in combination with HCQ also significantly (P < 0.05) reduced the elevated levels of total cholesterol, triglycerides, and low density lipoprotein cholesterol (LDL-C) level and increased high density lipoprotein cholesterol (HDL-C) level. Moreover, HCQ potentiates the liver glycogen synthesis of metformin or glibenclamide. Conclusion: Outcomes of this investigation indicate that combination of glibenclamide or metformin with HCQ improves glycemic control and provides additional metabolic benefits, not achieved with either glibenclamide or metformin alone.

关键词： Diabetes Mellitus Glycemic Control HCQ Glibenclamide Metformin

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Efficacy of Less Toxic Phytochemicals to Prevent the Insect Vector of <i>Mungbean Yellow Mosaic Virus</i>(<i>MYMV</i>)

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American Journal of Plant Sciences 2019年第1期10卷 44-54页

作者： Jesmin Nahar Joly Hosna Ara Chowdhury Abdullah ali Imtiaz Fatema Begum Hasibur Rahman md. Belal Hossain Department of Plant Pathology Sher-e-Bangla Agricultural University Dhaka Bangladesh

Planting material BARI mungbean-5 and two phytochemicals viz. Imitaf, active ingredient imidacloprid and ACmix, active ingredient chloropyriphos (50%) + Cypermethrin (5%) were used in this experiment. In case of Imitaf, the lowest percent disease incidence (10.12% per plant and 3.51% per plot) and severity (7.21%) were recorded in four times spray (T4) at 70 DAS. The highest percent disease incidence (36.50% per plant and 11.37% per plot) and severity (23.33%) were recorded in no spray (T0) at 70 DAS. In case of ACmix, the lowest percent disease incidence (12.21% per plant and 4.21% per plot) and severity (7.53%) were recorded in four times spray (T4) at 70 DAS. The highest percent disease incidence (36.49% per plant and 11.37% per plot) and severity (36.67%) was recorded in T0 at 70 DAS. The highest number of flower, no of pod and yield was found in four times spray (T4) that was higher in Imitaf than ACmix. The highest chlorophyll content was recorded in four times spray (T4) for Imitaf (49.62 μmol·m-2·s-1) and ACmix (56.80 μmol·m-2·s-1), and the lowest chlorophyll content was recorded in T0 for Imitaf (42.01 μmol·m-2·s-1) and ACmix (48.34 μmol·m-2·s-1). However from the results of this experiment it was revealed that Imitaf gave the better performance to control the insect vector (Whitefly) of MYMV with four times spray.

关键词： Mungbean MYMV Whitefly Phytochemicals Bangladesh

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Bishop Koop conversion of temporary stoma can be an option to establish gut continuity early when primary anastomosis is not safe

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World Journal of Pediatric Surgery 2019年第2期2卷 16-19页

作者： md Samiul Hasan Ashrarur Rahman Umama Huq Kazi Nur Ul Ferdous md Ayub ali Pediatric Surgery Bangladesh Institute of Child Health(BICH)Dhaka Shishu(Children)HospitalDhakaBangladesh

background Intestinal perforation and sometimes obstruction in neonates demand diverting stomas which are associated with fluid,electrolytes and nutrient *** establishment of gut continuity is the key to the best outcome,though primary anastomosis is not always *** aim of this study was to evaluate the effectiveness of Bishop Koop stoma in establishing early continuity of gut and confirming the function of distal *** Data of patients who underwent Bishop Koop conversion of diverting stoma from July 2016 to June 2018 were reviewed *** and outcome data were recorded and analyzed using Statistical Package for the Social Science(SPSS)V.22 *** permission was taken from hospital ethical *** 29 patients were included(16 male and 13 female).Mean age of conversion was 5.8±2.5 months and mean weight was 4.9±*** bowel movement was established in 26 *** patient died of sepsis on sixth postoperative day and one had anastomotic *** was no significant difference with respect to outcome between perforation and obstruction *** Koop stomas were closed after 6 weeks of *** Bishop Koop conversion of temporary stoma was turned out as a good choice for these patients.

关键词： Bishop continuity establishing

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