期刊
JOURNAL OF CLINICAL EPIDEMIOLOGY
卷 126, 期 -, 页码 193-201出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jclinepi.2020.03.027
关键词
Clinical trials; PRECIS-2; Pragmatic trials; Explanatory trials; Assessment; Blinding; Placebo; Reporting bias