RT Journal Article SR Electronic T1 Designing Research On Health Risk Behaviors: Questioning the Assumptions JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 266 OP 268 DO 10.3122/jabfm.7.3.266 VO 7 IS 3 A1 Alexander, Elizabeth YR 1994 UL http://www.jabfm.org/content/7/3/266.abstract AB