TY - BOOK AU - Gordis,Leon TI - Epidemiology SN - 072168338X (pbk.) U1 - 614.4 PY - 2000/// CY - Philadelphia PB - W.B. Saunders KW - Epidemiology KW - Epidemiologic Methods N1 - Includes bibliographical references and index N2 - Sec. 1. The Epidemiologic Approach to Disease and Intervention. Sec. 2. Using Epidemiology to Identify the Cause of Disease. Sec. 3. Applying Epidemiology to Evaluation and Policy ER -