Epidemiology
614.4
G 58 Gordis Leon.
Epidemiology - 3rd ed. - Philadelphia, Pa. : Saunders, c2004. - xi, 335 p. : ill. ; 25 cm. - Includes bibliographical references and index.
english
0721603262
Epidemiology., Epidemiology., Epidemiologic Methods.,
WA 105 / G661e 2004
G 58 Gordis Leon.
Epidemiology - 3rd ed. - Philadelphia, Pa. : Saunders, c2004. - xi, 335 p. : ill. ; 25 cm. - Includes bibliographical references and index.
english
0721603262
Epidemiology., Epidemiology., Epidemiologic Methods.,
WA 105 / G661e 2004