RT Journal Article SR Electronic T1 Critical Appraisal of the Literature JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 86 OP 86 DO 10.3122/jabfm.13.1.86a VO 13 IS 1 A1 Christopher W. Ryan YR 2000 UL http://www.jabfm.org/content/13/1/86.1.abstract AB