نتایج جستجو برای: randomized controlled trials

تعداد نتایج: 641597  

Ahmadinia, H., Hosseini, S. M. , Rezaeian, M. ,

Background and Objectives: Given the fact that randomized controlled clinical trials are more valid than other research methods to determine the therapeutic effects of treatment, proper design and accurate reporting is of particular importance. This study was conducted with the aim of evaluating the quality of writing the title and abstract of randomized clinical trials of Iranian medical unive...

Journal: :American Journal of Public Health 2004

Journal: :Nephrology Dialysis Transplantation 2007

Background: The calculation of the sample size is one of the most important steps in designing a randomized controlled trial. The purpose of this study is drawing the attention of researchers to the importance of calculating and reporting the sample size in randomized controlled trials.    Methods: We reviewed related literature and guidelines and discussed some important issues in s...

ژورنال: پیاورد سلامت 2013
امان اللهی, علیرضا, جمشیدی اورک, روح انگیز,

Background and Aim: Randomized controlled clinical trial is the most valid type of epidemiological studies for the treatment of diseases. The aim of the present article is to determine the subject area, type of intervention, and blinding methods used in this type of study design. Materials and Methods: This is a cross-sectional descriptive study in which all the articles based on randomized c...

Journal: :Indian Journal of Medical Research 2015

Journal: :Epidemiologic Reviews 2002

Journal: :Canadian Medical Association Journal 2007

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید