Epidemiologic methods : studying the occurrence of illness / Thomas D. Koepsell, Noel S. Weiss.
Material type:
- 0195150783 (cloth : acidfree paper)
- 9780195150780
- 614.4 21
- RA652.4 .K645 2003
- WA 950

Includes bibliographical references and index.
Includes bibliographical references and index.