نتایج جستجو برای: cross over study

تعداد نتایج: 4958685  

Journal: :بینا 0
فریده شریفی پور f sharifipour دانشگاه علوم پزشکی جندی شاپور اهواز محمد پاکروان m pakravan ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم شاهین یزدانی sh yazdani ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم مهران ویسی زاد m veysizadeh مهدی یاسری m yaseri تهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات چشم

purpose: to compare the efficacy and safety of xalatan(r) with generic latanoprost (xalabiost) in glaucoma. methods: in this randomized crossover study, 17 patients with primary open angle glaucoma or ocular hypertension were randomized into 2 groups. group a received xalatan for 6 weeks followed by xalabiost for 10 weeks. group b received xalabiost for 6 weeks which was then crossed over to xa...

Journal: :Statistics in medicine 2014
Yuh-Ing Chen Chi-Shen Huang

In the pharmacokinetic (PK) study under a 2x2 crossover design that involves both the test and reference drugs, we propose a mixed-effects model for the drug concentration-time profiles obtained from subjects who receive different drugs at different periods. In the proposed model, the drug concentrations repeatedly measured from the same subject at different time points are distributed accordin...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی ایران 1380

این پژوهش بصورت غیرتجربی و توصیفی - تحلیلی با هدف بررسی مقایسه ای پنج آزمون عملکردی اندام تحتانی در دو گروه بیماران با پارگی لیگامان متقاطع قدامی و افراد سالم انجام شد. دراین تحقیق از پنج آزمون عملکردی زیر استفاده گردید: 1 - آزمون ‏‎co-contraction semicircular‎‏ . 2- آزمون‏‎carioca‎‏ . 3 - آزمون ‏‎shuttle run‎‏ . 4- آزمون‏‎timed hop‎‏ . 5- آزمون ‏‎cross-over hop‎‏ .

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی 1393

asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...

پایان نامه :0 1374

the present study investigated the effect of the two vocabulary teaching techniques in est, namely the use of translation and the use of visual aids as two separate vocabulary teaching techniques. to answer the question of the study, a pretest (michigan test) was administered to the 58 randomly selected est students at khajeh nasiredin tusi university, faculty of mechanics. after the homogeneit...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و علوم انسانی 1389

current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...

پایان نامه :موسسه آموزش عالی غیردولتی رودکی تنکابن - دانشکده ادبیات و زبانهای خارجی 1393

abstract this study aimed at investigating the effect of bilingual teaching of cognate words (persian-english) on iranian upper intermediate efl learners’ knowledge of lexical development. for this purpose,100 subjects participated in this study out of which 40 learners were selected for this study and they were assigned into two groups, control and experimental. cross-language cognates (wor...

Journal: :Statistics in medicine 2014
John N S Matthews

Crossover clinical trials can provide substantial benefits by eliminating inter-patient variation from treatment comparisons and by allowing multiple observations of each patient. They are particularly useful when sample sizes are necessarily small. These advantages proved particularly valuable in an assessment of clot prevention in children undergoing haemodialysis. Only small numbers of child...

Journal: :American Journal of Hypertension 1996

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