Epidemiology for Public Health Practice/
Friis, Robert H.
Epidemiology for Public Health Practice/ Robert H. Friis.-- -- 4th ed.-- -- Boston: Jones and Barlett Publishers, 2009.
xxii., 717p.: ill., col., 23 cm.
includes bibliographical references and index
978-0-7637-5161-6
Epidemiology
Public Health Personnel
Res 614.4 F916 2009
Epidemiology for Public Health Practice/ Robert H. Friis.-- -- 4th ed.-- -- Boston: Jones and Barlett Publishers, 2009.
xxii., 717p.: ill., col., 23 cm.
includes bibliographical references and index
978-0-7637-5161-6
Epidemiology
Public Health Personnel
Res 614.4 F916 2009