Methods of Randomized Controlled Clinical Trials in Health Services Research

Autor:	Balas, E. Andrew, Austin, Suzanne M., Ewigman, Bernard G., Brown, Gordon D., Mitchell, Joyce A.
Zdroj:	Medical Care, 1995 Jul 01. 33(7), 687-699.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3766532 Zobrazit plný text záznamu