Introduction to epidemiology /
Merrill, Ray M.
Introduction to epidemiology / Ray M. Merrill - 6th ed. - Burlington, Mass. : Jones & Bartlett Learning, 2013 - xviii, 434 p. : ill. ; 26 cm.
Includes bibliographical references and index
9781449665487 9781449645175
Epidemiology
Epidemiologic Methods
Introduction to epidemiology / Ray M. Merrill - 6th ed. - Burlington, Mass. : Jones & Bartlett Learning, 2013 - xviii, 434 p. : ill. ; 26 cm.
Includes bibliographical references and index
9781449665487 9781449645175
Epidemiology
Epidemiologic Methods