00590nam a22001937a 4500 19844 20261006005119.0 150707b xxu||||| |||| 00| 0 eng d 9781416040026 (pbk.) 614.4 GOR 2009 Gordis, Leon, 1934- 21101 Epidemiology / Leon Gordis. 4th ed. Philadelphia : Elsevier/Saunders, c2009. xv, 375 p. : ill. (chiefly col.), maps (chiefly col.) ; 26 cm. Epidemiology. 20295 Epidemiologic Methods. 21102 ddc OS 19844 19844 0 0 ddc 0 0 NU NU 2015-07-07 3 1 614.4 GOR 2009 21612 2024-05-28 00:00:00 2023-12-12 2015-07-07 OS