Epidemiology /
Gordis, Leon, 1934-
Epidemiology / Leon Gordis. - 4th ed. - Philadelphia, PA : Saunders/Elsevier, c2009. - xv, 375 p. : ill. ; 27 cm.
Includes bibliographical references and index.
9781416040026 1416040021
2007-030111
Epidemiology.
Epidemiologic methods.
Epidemiology.
614.4
WA 105 / G652e 2009
Epidemiology / Leon Gordis. - 4th ed. - Philadelphia, PA : Saunders/Elsevier, c2009. - xv, 375 p. : ill. ; 27 cm.
Includes bibliographical references and index.
9781416040026 1416040021
2007-030111
Epidemiology.
Epidemiologic methods.
Epidemiology.
614.4
WA 105 / G652e 2009