00429nam 2226355 450000100060000000300230000600500090002900800410003808200100007907200280008902000180011710000330013526000270016825000060019524500720020126355StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a614.4 athe scientifific method a0-387-97312-5 aSylvia Wassertheil - Smoller bSPRINGER-VERLAG c1990 a2 aBiostatistics and epidemiology bA primer for health professionals