Introduction to epidemiology /
Merrill, Ray M.
Introduction to epidemiology / Ray M. Merrill, Thomas C. Timmereck. - 4th ed. - Sudbury : Jones and Bartlett, 2006. - 352 p.
Includes index.
9780763735821
Epidemiology.
Introduction to epidemiology / Ray M. Merrill, Thomas C. Timmereck. - 4th ed. - Sudbury : Jones and Bartlett, 2006. - 352 p.
Includes index.
9780763735821
Epidemiology.