TY - BOOK AU - Mausner,Judith S. AU - Kramer,Shira AU - Bahn,Anita K. TI - Epidemiology: an introductory text SN - 0721661815 (pbk.) AV - RA651 .M33 1985 U1 - 614.4 19 PY - 1985/// CY - Philadelphia PB - Saunders KW - Epidemiology N1 - At head of title: Mausner & Bahn; Includes bibliographies and index ER -