Authors
Danishevskiy K. D.
MD, Professor, Higher School of Economics, Moscow
Abstract
The article describes different study designs used today in medical science, the hierarchy of their reliability is considered, the validity of the obtained data is compared.
Key words
study design, case, case series, prospective cohort study, randomized study, systematic review
References
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2. Writing Group for the Women's Health Initiative Investigators (2002). «Risks and Benefits of Estrogen Plus Progestin in Healthy Postmenopausal Women: Principal Results From the Women's Health Initiative Randomized Controlled Trial». JAMA 288 (3): 321–333.
