Gordis, Leon, 1934-
Epidemiology / Leon Gordis. - 4th ed. - Philadelphia : Elsevier/Saunders, c2009. - xv, 375 p. : ill. (chiefly col.), maps (chiefly col.) ; 26 cm.
9781416040026 (pbk.)
Epidemiology.
Epidemiologic Methods.
614.4 / GOR 2009
Epidemiology / Leon Gordis. - 4th ed. - Philadelphia : Elsevier/Saunders, c2009. - xv, 375 p. : ill. (chiefly col.), maps (chiefly col.) ; 26 cm.
9781416040026 (pbk.)
Epidemiology.
Epidemiologic Methods.
614.4 / GOR 2009