Bhopal, Raj S. Concepts of epidemiology : an integrated introduction to the ideas, theories, principles, and methods of epidemiology / Raj S. Bhopal - New York : Oxford University Press, 2002 - xxviii , 317 p. : ill. ; 24 cm. References : p. 297-309 ISBN: 0192631551 (pbk.) RM146.73 Subjects--Topical Terms: Epidemiology National Library of Medicine Call No.: WA105