TY - BOOK AU - Streiner,David L. AU - Norman,Geoffrey R. AU - Blum,Heather Munroe TI - PDQ epidemiology SN - 1556640730 AV - RA651.S7 1989 PY - 1989/// CY - Toronto PB - Sales and distribution, C.V. Mosby KW - Epidemiology N1 - Includes bibliographical references and index ER -