Epidemiology for public health practice /
Robert H. Friis, Thomas A. Sellers.
- 2nd ed.
- Gaithersburg, Md. : Aspen Publishers, 1999.
- xiv, 506 p. : ill., maps ; 23 cm.
Includes bibliographical references and index.
0834211785 (pbk.)
99011560
Epidemiology. Public health personnel. Epidemiology. Public Health.