Collaborative Trials In Perinatal Medicine

Autor: Papiernik, Emile, Lazar, Phillippe, Bell, Edward F., Rush, David, Grennert, Lars, Grant, Adrian, Chalmers, Iain
Zdroj: British Medical Journal (Clinical Research Edition), 1981 Jan . 282(6260), 309-309.
Databáze: JSTOR Journals