Planning the duration of a comparative clinical trial with loss to follow-up and a period of continued observation.
作者信息
Rubinstein L V, Gail M H, Santner T J
出版信息
J Chronic Dis. 1981;34(9-10):469-79. doi: 10.1016/0021-9681(81)90007-2.
PMID:7276137
Abstract
摘要
Zotero 插件