TY - BOOK AU - Gerstman,B.Burt TI - Epidemiology kept simple: an introduction to traditional and modern epidemiology SN - 9781444336085 (pbk.) AV - RA651 G47 2013 PY - 2013/// CY - Chichester, West Sussex PB - John Wiley & Sons KW - Epidemiology KW - Epidemiologic Methods N1 - Includes bibliographical references and index ER -