Studying health and disease / edited by Kevin McConway and Basiro Davey - 2nd ed. - Buckingham : Open University Press, 2001 - 215 p. : ill. ; 26 cm. ISBN: 0335208355 RM116.04 Subjects--Topical Terms: Epidemiologic--methodsResearch--MethodsSocial medicine--methods National Library of Medicine Call No.: WA20.5