Читать книгу The Pocket Guide to Critical Appraisal - Iain K. Crombie - Страница 21
Complications
ОглавлениеThe use of a control group is not a defining characteristic, since RCTs always have one, and cohort studies often do.
The use of a control group is not a defining characteristic, since RCTs always have one, and cohort studies often do.
