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Evaluation of Four.Anthr.pogenic Activity Impacts on Heavy Metal Quality of the Kumba r.ver.in the South West r.gion of Camer.on

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Jour.al of Water.r.sour.e and Pr.tection 2024年第5期16卷 361-380页

作者： martin Keghe Nkobe Bar.helemy Ndongo Kanouo Bor.s Mer.ain Djousse Salomon Nyasse Institute of Agr.cultur.l r.sear.h for.Development (Ir.D) Yaound&#233 Cameroon Faculty of Agr.nomy and Agr.cultur.l Sciences (FASA) University of Dschang Dschang Cameroon

Anthr.pogenic activities have contr.buted to pollution of water.bodies thr.ugh deposition of diver.e pollutants amongst which ar. heavy metals. These pollutants, which at times ar. above the maximum concentr.tion levels r.commended, ar. detr.mental to the quality of the water. soil and cr.ps (plant) with subsequent human health r.sks. The objective of the wor. was to evaluate the impacts of human-based activities on the heavy metal pr.per.ies of sur.ace water.with focus on the Kumba r.ver.basin. Field obser.ations, inter.iews, field measur.ments and labor.tor. analyses of differ.nt water.samples enabled us to collect the differ.nt data. The r.sults show four.main human-based activities within the r.ver.basin (agr.cultur., livestock pr.duction, domestic waste disposal and car.ash activities) that pollute sur.ace water. Appr.ximately 20.61 tons of nitr.gen and phosphor.s fr.m agr.cultur.l activities, 156.48 tons of animal wastes, 2517.5 tons of domestic wastes and 1.52 tons of deter.ent fr.m car.ash activities wer. deposited into the r.ver.each year. A highly significant differ.nce at 1% was obser.ed between the upstr.am and downstr.am heavy metal loads in four.of the five heavy metals tested except for.copper.that was not significant. Lead concentr.tions wer. highest in all the activities with an aver.ge of 2.4 mg∙L−1 r.pr.senting 57.81%, followed by zinc with 1.596 mg∙L−1 (38.45%) and manganese with 0.155 mg∙L−1 (3.74%) for.the differ.nt anthr.pogenic activities thus indicating that these activities highly lead to pollution of the Kumba r.ver.water. The level of zinc and manganese was significantly influenced at ρ 005 by anthr.pogenic activities though gener.lly the var.ations wer. in the or.er. car.ash (3.196 mg∙L−1) −1) r.cultur. (4.172 mg∙L−1) −1) r

关键词： Metal Pr.per.ies Human-Based Activities Kumba r.ver.Basin Sur.ace Water

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Embr.cing differ.nt languages and local differ.nces:Coconstr.ctive patient simulation str.ngthens host countr.es’clinical tr.ining in psychiatr.

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Wor.d Jour.al of Psychiatr. 2024年第1期14卷 111-118页

作者： Şafak Er.yÇamlı Büşr. Ece Yavuz Meliha Feyza Gök Idil Yazgan Yanki Yazgan Ayelet Br.nd-Gothelf Dor.n Gothelf Dor.n Amsalem Andr.s martin Depar.ment of Child and Adolescent Psychiatr. Bursa UludağUniversity Faculty of MedicineBursa 16059 Turkey Yale Univer.ity School of Medicine New HavenCT 06510United States Güzel Günler.Clinic Beşiktaş/İstanbul 34335 Turkey Child Study Center Yale School of MedicineNew HavenCT 06520United States The Feinber. Child Study Center Schneider Children's Medical Center of IsraelTel Aviv UniversityPetach Tikvah 4920235Israel The Child Psychiatr. Division Edmond and Lily Safra Children’s HospitalSheba Medical CenterTel HashomerRamat Gan 52561Israel Faculty of Medicine and Sagol School of Neur.science Tel Aviv UniversityTel Aviv 6997801Israel Depar.ment of Psychiatr. Columbia University Vagelos College of Physicians and SurgeonsNew YorkNY 10032United States

BACKGr.UND Global education in psychiatr. is heavily influenced by knowledge fr.m Wester.,high-income countr.es,which obscur.s local voices and *** To adapt a human simulation model to psychiatr.c education in a context that is specific to local languages and *** We conducted an obser.ational study consisting of six human simulation sessions with standar.ized patients fr.m two host countr.es,speaking their.native languages,and following an adaptation of the co-constr.ctive patient simulation(CCPS)*** local faculty became incr.asingly familiar.with the CCPS appr.ach,they took on the r.le of facilitator.—in their.countr.’s native *** Fifty-thr.e lear.er. par.icipated:19 child and adolescent psychiatr. tr.inees and 3 faculty member. in Tür.iye(as a gr.up that met online dur.ng 3 consecutive months);and 24 tr.inees and 7 faculty in Isr.el(divided into 3 gr.ups,in par.llel in-per.on sessions dur.ng a single tr.ining day).Each of the six cases r.flected local r.alities and clinical challenges,and was associated with specific lear.ing goals identified by each case-wr.ting *** Human simulation has not been fully incor.or.ted into psychiatr.c education:The cr.ation of immer.ive clinical exper.ences and the str.ngthening of r.flective pr.ctice ar. two ar.as r.pe for.*** adaptations of CCPS can also str.ngthen local and r.gional networ.s and psychiatr.c communities of ***,the model can help question and pr.ss against hegemonies in psychiatr.c tr.ining that over.hadow local exper.ise.

关键词： Human simulation Standar.ized patients Medical education Psychiatr.c education Capacity building Local languages

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Fe_(3)O_(4)对黄铜矿在酸性硫酸铁溶液中铜溶解氧化还原反应的影响

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Tr.nsactions of Nonfer.ous Metals Society of China 2024年第6期34卷 1965-1975页

作者： Kolela J NYEMBWE Elvis FOSSO-KANKEU Fr.ns WAANDEr. martin MKANDAWIr. Didier.K NYEMBWE Bhekie B MAMBA Water.Pollution Monitor.ng and r.mediation Initiatives r.sear.h Gr.up School of Chemical and Minerals EngineeringFaculty of EngineeringNorth-West UniversityPotchefstroomSouth Africa Depar.ment of Mining Engineer.ng College of Science Engineering and TechnologyUniversity of South AfricaFlorida Science CampusJohannesburgSouth Africa Depar.ment of Metallur.y Faculty of Engineering and Built EnvironmentUniversity of JohannesburgDoornfonteinJohannesburgSouth Africa Depar.ment of Chemistr. School of Science and TechnologyCape Breton UniversityCanada School of Mining Metallurgy and Chemical EngineeringFaculty of Engineering and the Built EnvironmentUniversity of JohannesburgJohannesburgSouth Africa Institute for.Nanotechnology and Water.Sustainability College of Science Engineering and TechnologyUniversity of South AfricaFlorida Science CampusJohannesburgSouth Africa

由于钝化层的形成,黄铜矿(CuFeS_(2))在氧化条件下浸出通常具有溶解速率缓慢的特点。为了将黄铜矿浸出过程中的钝化效应降至最低并提高铜的回收率,研究了CuFeS_(2)在不同pH值(1.0、1.5和1.8)和温度(25和50℃)条件下浸出时,向Fe_(2)(SO_(... 详细信息

由于钝化层的形成,黄铜矿(CuFeS_(2))在氧化条件下浸出通常具有溶解速率缓慢的特点。为了将黄铜矿浸出过程中的钝化效应降至最低并提高铜的回收率,研究了CuFeS_(2)在不同pH值(1.0、1.5和1.8)和温度(25和50℃)条件下浸出时,向Fe_(2)(SO_(4))_(3)−H_(2)SO_(4)浸出剂中添加磁铁矿(Fe_(3)O_(4))对铜溶解速率的影响。结果表明,溶液pH值、电位和温度在溶解过程中起着关键作用。在pH 1.8、50℃和400 mV的条件下,Fe_(3)O_(4)−CuFeS_(2)混合体系中铜的回收率达到最大值(70%),而未添加Fe_(3)O_(4)时,CuFeS_(2)中铜的回收率较低(48%)。添加Fe_(3)O_(4)有助于维持较高的氧化还原值。添加Fe_(3)O_(4)还使活化能从79.04 kJ/mol降低到53.69 kJ/mol。这表明,当Fe_(3)O_(4)存在时,由于形成了更易溶解的中间体斑铜矿(Cu_(5)FeS_(4))和辉铜矿(Cu_(2)S),CuFeS_(2)更易被氧化。两种溶解过程都受到矿物表面的化学控制。此外,对浸出残渣的矿物学分析表明,当无Fe_(3)O_(4)存在时,作为表面钝化物的黄钾铁矾浓度较高。因此,添加Fe_(3)O_(4)减少了钝化层的形成,提升了铜的回收率。

关键词：黄铜矿溶解磁铁矿电偶钝化

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Movement analysis in the diagnosis and management of Par.inson’s disease

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Neur.l r.gener.tion r.sear.h 2025年第2期20卷 485-486页

作者： Johannes Bur.scher.Nicolas Bour.illon Jules MJanssen Daalen Aur.lien Patoz Julien FBally martin Kopp Davide Malatesta Bastiaan r.loem Institute of Spor. Sciences University of LausanneLausanneSwitzerland r.dboud Univer.ity Medical Center Department of NeurologyDonders Institute for BrainCognition and BehaviorCenter of Expertise for Parkinson and Movement DisordersNijmegenThe Netherlands r.dboud Univer.ity Medical Center Department of Medical BioSciencesNijmegenThe Netherlands r.sear.h and Development Depar.ment Volodalen Swiss Sport LabAigleSwitzerland Ser.ice of Neur.logy Department of Clinical NeurosciencesLausanne University Hospital(CHUV)and University of Lausanne(UNIL)LausanneSwitzerland Depar.ment of Spor. Science University of InnsbruckInnsbruckAustria

Challenges in the diagnosis and tr.atment of Par.inson’s disease:Par.inson’s disease(PD)is an incr.asingly pr.valent neur.degener.tive disease,at fir.t sight pr.mar.ly char.cter.zed by motor.symptoms,although non-motor.symptoms also constitute a major.par. of the over.ll ***,this disease cannot be diagnosed r.liably until a lar.e par. of the vulner.ble dopaminer.ic neur.ns has been ir.etr.evably lost,and the disease pr.gr.sses *** biological cr.ter.a for.PD have been pr.posed r.cently and might eventually impr.ve ear.y diagnosis,but they r.quir. fur.her.validation,and their.use will initially be r.str.cted to a r.sear.h envir.nment(Dar.eesh et al.,2024).

关键词： diagnosis Clinical eventually

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Evaluation for.Small Visual Differ.nce Between Confor.ing Meshes on Str.in Field

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Jour.al of Computer.Science & Technology 2009年第1期24卷 65-75页

作者：边哲胡事民 ralph r.martin Depar.ment of Computer.Science and Technology Tsinghua University School of Computer.Science Cardiff UniversityCardiffU.K.

This paper.gives a method of quantifying small visual differ.nces between 3D mesh models with confor.ing topology, based on the theor. of str.in fields. Str.in field is a geometr.c quantity in elasticity which is used to descr.be the defor.ation of elastomer. In this paper.we consider.the 3D models as objects with elasticity. The fur.her.demonstr.tions ar. pr.vided： the fir.t is intended to give the r.ader.a visual impr.ssion of how our.measur. wor.s in pr.ctice; and the second is to give r.ader. a visual impr.ssion of how our.measur. wor.s in evaluating filter.algor.thms. Our.exper.ments show that our.differ.nce estimates ar. well cor.elated with human per.eption of differ.nces. This wor. has applications in the evaluation of 3D mesh water.ar.ing, 3D mesh compr.ssion r.constr.ction, and 3D mesh filter.ng.

关键词： 3D confor.ing meshes mesh compar.son per.eption str.in fields

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Impr.ving Shape fr.m Shading with Inter.ctive Tabu Sear.h

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Jour.al of Computer.Science & Technology 2016年第3期31卷 450-462页

作者： Jing Wu Paul L. r.sin Xianfang Sun ralph r. martin School of Computer.Science and Infor.atics Cardiff University Cardiff CF24 3AA U.K.

Optimisation based shape fr.m shading （SFS） is sensitive to initialization： er.or. in initialization ar. a signifi- cant cause of poor.over.ll shape r.constr.ction. In this paper. we pr.sent a method to help over.ome this pr.blem by means of user.inter.ction. Ther. ar. two key elements in our.method. Fir.tly, we extend SFS to consider.a set of initializations, r.ther.than to use a single one. Secondly, we efficiently explor. this initialization space using a heur.stic sear.h method, tabu sear.h, guided by user.evaluation of the r.constr.ction quality. r.constr.ction r.sults on both synthetic and r.al images demonstr.te the effectiveness of our.method in pr.viding mor. desir.ble shape r.constr.ctions.

关键词： shape fr.m shading user.inter.ction tabu sear.h

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Effect of Ther.al Cycles on Cr.ep Behavior.of Bituminous Binder.in Hot r.gions

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Jour.al of Civil Engineer.ng and Ar.hitectur. 2024年第7期18卷 334-339页

作者： Bachir.Glaoui Mahdjoub Bendjima M'hamed Mer.ouh martin Van de Ven Labor.toir. de la Fiabilité des Matér.aux et Str.ctur.s en r.gions Sahar.ennes(FIMAS) Université de Béchar B.P.417Béchar08000Algérie Labor.tor. of r.ad and r.ilway Engineer.ng TU DelftP.O.Box 50482600 GA DelftThe Netherlands

This r.sear.h is devoted to the study of cr.ep behavior.of asphalt binder.in hot *** binder.was subjected to ther.al cycles due to the var.ation of temper.tur. fr.m day to *** cycles pr.duce a heating-cooling *** evaluate the effect of climate change in labor.tor.,the DSr.dynamic shear.r.eometer.was used,and the r.sults found with the nine samples wer. *** ther.al cycles led to aging and ther.for. har.ening of the ***,a r.eological model was pr.posed that can r.pr.sent the cur.es obtained exper.mentally,wher. it is able to descr.be the cr.ep behavior.of binder. tested.A new model is pr.posed that cor.elates well with the exper.mental cur.es,which is called A+2 K.

关键词： Bitumen temper.tur. heating/cooling DSr BBr model

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A Compar.son of Hydr.ther.al Aging, SO₂ and Pr.pene Poisoning Effects on NH₃-SCr.over.Cu-ZSM-5 and Cu-SAPO-34 Catalysts

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Jour.al of Mater.als Science and Chemical Engineer.ng 2024年第5期12卷 10-28页

作者： Kouadio Br.u Alber. Koffi Konan martin Zr.n Van Er.c-Simon Hor. Kone Unité de Formation et de Recherche des Sciences et de Technologies (UFR ST) Universit&#233 Alassane Ouattara Bouak&#233 C&#244te d&#8217Ivoire Unité de Formation et de Recherche Environnement (UFR E) Universit&#233 Jean Lorougnon Gu&#233d&#233 Daloa C&#244te d&#8217Ivoire Unité de Formation et de Recherche des Sciences des Structures de la Mati&#232re et de Technologie (UFR SSMT) Abidjan C&#244te d&#8217Ivoire

This study was aimed to investigate the effects of hydr.ther.al aging, pr.pene and SO2 poisoning on the ammonia-selective catalytic r.duction (NH3-SCr. per.or.ance of both Cu-SAPO-34 and Cu-ZSM-5. The catalytic activities of fr.sh, aged and poisoned samples wer. tested in ammonia-selective catalytic r.duction (NH3-SCr. of NOx conditions. The Xr., TG and N2-desor.tion r.sults showed that the str.ctur.s of the Cu-SAPO-34 and Cu-ZSM-5 r.mained intact after.750˚C hydr.ther.ally aged, SO2 and pr.pene poisoned. After.hydr.ther.al aging at 750˚C for.12 h, the NO r.duction per.or.ance of Cu-ZSM-5 was significantly r.duced at lower.temper.tur.s, while that of Cu-SAPO-34 was less affected. Mor.over. Cu-SAPO-34 catalyst showed high NO conver.ion with SO2 or.pr.pene compar.d to Cu-ZSM-5. However. Cu-ZSM-5 showed a lar.er.dr.p in catalytic activity with SO2 or.pr.pene compar.d to Cu-SAPO-34 catalyst. The H2-TPr.r.sults showed that Cu2 ions could be r.duced to Cu and Cu0 for.Cu-ZSM-5, while no significant tr.nsfor.ation of copper.species was obser.ed for.Cu-SAPO-34. Meanwhile, the UV-vis Dr. r.sults showed that CuO species wer. for.ed in Cu-ZSM-5, while little changes wer. obser.ed for.the Cu-SAPO-34. Cu-SAPO-34 showed high sulfur.and hydr.car.on poison r.sistance compar.d to Cu-ZSM-5. In summar., Cu-SAPO-34 with small-por. zeolite showed higher.hydr.ther.al stability and better.hydr.car.on and sulfur.poison r.sistant than Cu-ZSM-5 with medium-por..

关键词： Hydr.ther.al Aging Pr.pene and SO2Poisoning Ammonia-Selective Catalytic r.duction(NH3-SCr. Cu-SAPO-34 Cu-ZSM-5

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Assessing the Impact of Gold Mining on the Quality of Water.r.sour.es in the Commune of Meguet, Bur.ina Faso

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Jour.al of Water.r.sour.e and Pr.tection 2024年第4期16卷 281-292页

作者： Issoufou Ouedr.ogo Samuel Lankoande Yacouba Konate Boukar. Sawadogo Nicolas Kagambega martin Lompo Higher.School of Engineer.ng (ESI) University of Fada N&#8217Gourma Fada N&#8217Gourma Burkina Faso Geosciences and Envir.nment Labor.tor. (LaGE) Joseph KI-ZERBO University Ouagadougou Burkina Faso Water Hydro-Systems and Agriculture Laboratory (LEHSA) International Institute of Water and Environmental Engineering (2iE) Ouagadougou Burkina Faso

Despite its often illegal natur., ar.isanal gold mining in Bur.ina Faso contr.butes to the economic and social development of the countr.. However. the r.dimentar. techniques used in gold panning have a significant impact on the envir.nment due to inappr.pr.ate pr.ctices and the use of var.ous chemical substances. This study aims to assess the impact of ar.isanal gold mining on the quality of water.r.sour.es in a r.r.l community at Méguet, Bur.ina Faso. To this end, sur.ace and gr.undwater.samples wer. collected and analyzed at the BUMIGEB labor.tor.. Field r.sults show that the water. ar. slightly alkaline (6.97 r.lized and conductive (124 r.tur.s r.nging fr.m 24.6˚C to 31.6˚C. In addition, tr.ce metals (TMEs) analyzed fr.m sur.ace and subsur.ace water. show ver. high levels, gener.lly deviating fr.m the levels r.commended by WHO guidelines for.Bur.ina Faso. Tr.ce metals contamination of water.r.sour.es in the commune of Méguet is mainly due to Fe (3.78 - 11.12 mg/kg), Hg (0.03 - 0.29 mg/kg), As (0.01- 6.31 mg/kg) and Pb (0.01 - 3.8 mg/kg). This study can ser.e as a basis for.guiding national envir.nmental policies to pr.tect the water.r.sour.es of the Méguet mine.

关键词： Gold Panning Water.Quality Tr.ce Metal Méguet Bur.ina Faso

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A novel saliva-based mir.A pr.file to diagnose and pr.dict or.l cancer

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Inter.ational Jour.al of Or.l Science 2024年第1期16卷 97-109页

作者： Jaikr.shna Balakittnen Chameer. Ekanayake Weer.mange Daniel F.Wallace Pascal H.G.Duijf Alexandr. S.Cr.stino Gunter.Har.el r.ber.o A.Bar.er. Tour.j Taher. Liz Kenny Sar.u Vasani martin Batstone Omar.Br.ik Chamindie Punyadeer. Saliva&Liquid Biopsy Tr.nslational Labor.tor. Griffith Institute for Drug DiscoveryGriffith UniversityNathanQLDAustralia Depar.ment of Medical Labor.tor. Sciences Faculty of Allied Health SciencesUniversity of JaffnaJaffnaSri Lanka Menzies Health Institute Griffith UniversityGold CoastQLDAustralia School of Biomedical Sciences Faculty of HealthQueensland University of TechnologyBrisbaneQLDAustralia Centr. for.Cancer.Biology Clinical and Health SciencesUniversity of South Australia&SA PathologyAdelaideSAAustralia Institute of Clinical Medicine Faculty of MedicineUniversity of OsloOsloNorway Depar.ment of Medical Genetics Oslo University HospitalOsloNorway Gr.ffith Institute for.Dr.g Discover. Griffith UniversityNathanQLDAustralia QIMr.Ber.hofer.Medical r.sear.h Institute Statistics UnitBrisbaneQLDAustralia School of Public Health The University of QueenslandBrisbaneQLDAustralia School of Nur.ing Queensland University of TechnologyBrisbaneQLDAustralia er.sear.h Research InfrastructureAcademic DivisionQueensland University of TechnologyBrisbaneQLDAustralia Depar.ment of Anatomical Pathology Royal Brisbane and Women’s HospitalHerstonQLDAustralia Faculty of Medicine The University of QueenslandBrisbaneQLDAustralia r.yal Br.sbane and Women’s Hospital Cancer Care ServicesHerstonQLDAustralia Depar.ment of Otolar.ngology Royal Brisbane and Women’s HospitalHerstonQLDAustralia Depar.ment of Or.l and Maxillofacial Sur.er. Royal Brisbane and Women’s HospitalHerstonQLDAustralia

Or.l cancer.(OC) is the most common for. of head and neck cancer. Despite the high incidence and unfavour.ble patient outcomes, cur.ently, ther. ar. no biomar.er. for.the ear.y detection of OC. This study aims to discover. develop, and validate a novel saliva-based micr.r.A signatur. for.ear.y diagnosis and pr.diction of OC r.sk in or.l potentially malignant disor.er. (OPMD).The Cancer.Genome Atlas (TCGA) mir.A sequencing data and small r.A sequencing data of saliva samples wer. used to discover.differ.ntially expr.ssed mir.As. Identified mir.As wer. validated in saliva samples of OC (n=50), OPMD (n=52), and contr.ls(n=60) using quantitative r.al-time PCr. Eight differ.ntially expr.ssed mir.As (mir.7-5p, mir.10b-5p, mir.182-5p, mir.215-5p,mir.431-5p, mir.486-3p, mir.3614-5p, and mir.4707-3p) wer. identified in the discover. phase and wer. validated. The efficiency of our.eight-mir.A signatur. to discr.minate OC and contr.ls was:ar.a under.cur.e (AUC):0.954, sensitivity:86%, specificity:90%,positive pr.dictive value (PPV):87.8%and negative pr.dictive value (NPV):88.5%wher.as between OC and OPMD was:AUC:0.911,sensitivity:90%, specificity:82.7%, PPV:74.2%and NPV:89.6%. We have developed a r.sk pr.bability scor. to pr.dict the pr.sence or.r.sk of OC in OPMD patients. We established a salivar. mir.A signatur. that can aid in diagnosing and pr.dicting OC,r.volutionising the management of patients with OPMD. Together. our.r.sults shed new light on the management of OC by salivar. mir.As to the clinical utility of using mir.As der.ved fr.m saliva samples.

关键词： specificity salivar. diagnosis

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