TY - BOOK AU - Gordis,Leon TI - Epidemiology SN - 9781416040026 PY - 2009/// CY - Philadelphia PB - Elsevier/Saunders KW - Epidemiology KW - Epidemiologic Methods N1 - This book includes online access at www.studentconsult.com, please refer library staff for the password UR - www.studentconsult.com ER -