Origins and early development of the case-control study: Part 1 – Early evolution.

Autor:	Neilson, Aileen, Schneider, Heinz
Zdroj:	Social & Preventive Medicine; Apr2005, Vol. 50 Issue 2, p76-77, 2p
Databáze:	Complementary Index
Externí odkaz:	Zobrazit plný text záznamu Full text from SpringerLink