00000cam a22000004a 4500 UP-1685523046124979152 Buklod 20230503092606.0 m o j ta 991231s1982 xx r |||| u|eng|| 0683032526 (iLib)UPMNL-00000007358 RA652 F55 Fletcher, Robert H. Clinical epidemiology the essentials Robert H. Fletcher, Suzanne W. Fletcher, Edward H. Wagner. Baltimore Williams & Wilkins c1982 xi, 223 p. ill. 23 cm. Includes bibliographical references and index. Epidemiology. Fletcher, Suzanne W. Wagner, Edward H. (Edward Harris) 1940-. CPH-10761 UPMNL CPH RA652 F55 Book