Epidemiology /

Gordis, Leon, 1934-

Epidemiology / Leon Gordis. - 4th ed. - Philadelphia : Elsevier/Saunders, c2009. - xv, 375 p. : ill. (chiefly col.), maps (chiefly col.) ; 26 cm.

Includes bibliographical references and index.

9781416040026 1416040021

2007030111

614.4