Epidemiology for public health practice /
Friis, Robert H.
Epidemiology for public health practice / Robert H. Friis, Thomas A. Sellers. - 2nd ed. - Gaithersburg, Md. : Aspen Publishers, c1999. - xiv, 506 p. : ill. ; 23 cm.
Includes Index and Appendices
0834211785 (pbk.)
Epidemiology.
Public health personnel.
Epidemiology.
Public Health.
WA 105 / F916 1999
Epidemiology for public health practice / Robert H. Friis, Thomas A. Sellers. - 2nd ed. - Gaithersburg, Md. : Aspen Publishers, c1999. - xiv, 506 p. : ill. ; 23 cm.
Includes Index and Appendices
0834211785 (pbk.)
Epidemiology.
Public health personnel.
Epidemiology.
Public Health.
WA 105 / F916 1999