Introduction to epidemiology.
- 4th ed. / Ray M. Merrill, Thomas C. Timmreck.
- Sudbury, Mass. : Jones and Bartlett Publishers, c2006.
- xv, 352 p. : ill., maps ; 26 cm.
Rev. ed. of: An introduction to epidemiology / Thomas C. Timmreck. 3rd ed. c2002.