Epidemiology /
Gordis, Leon, 1934-
Epidemiology / Leon Gordis. - 3rd edition. - Philadelphia " Elsevier ; c2004 - xi, 335 pages : illustrations ; 26 cm.
Includes bibliographical references and index.
9781416025306
Epidemiology.
Epidemiologic Methods.
RA651 / .G58 2004
614.4
Epidemiology / Leon Gordis. - 3rd edition. - Philadelphia " Elsevier ; c2004 - xi, 335 pages : illustrations ; 26 cm.
Includes bibliographical references and index.
9781416025306
Epidemiology.
Epidemiologic Methods.
RA651 / .G58 2004
614.4