Epidemiology
Gordis, Leon.
Epidemiology by Leon Gordis. - Piladelphia : Elsevier Saunders, ©2014 - xiii, 392 p. ; 26cm.
Includes bibliographical references and index.
9781455737338
Epidemiology.
Epidemiologic Methods.
614.4 / GOR-E
Epidemiology by Leon Gordis. - Piladelphia : Elsevier Saunders, ©2014 - xiii, 392 p. ; 26cm.
Includes bibliographical references and index.
9781455737338
Epidemiology.
Epidemiologic Methods.
614.4 / GOR-E