Introduction to epidemiology /
Merrill, Ray M.
Introduction to epidemiology / Ray M. Merrill. - 6th ed. - Sudbury, Mass. ; London : Jones and Bartlett, 2013. - xv,434 p. : ill., maps ; 26 cm.
Includes bibliographical references and index.
9781449665487
Epidemiology .
Epidemiologic Methods.
614.4 M R I 221
Introduction to epidemiology / Ray M. Merrill. - 6th ed. - Sudbury, Mass. ; London : Jones and Bartlett, 2013. - xv,434 p. : ill., maps ; 26 cm.
Includes bibliographical references and index.
9781449665487
Epidemiology .
Epidemiologic Methods.
614.4 M R I 221