RT Journal Article SR Electronic T1 The Art of General Practice. Fourth edition JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 239 OP 239 DO 10.3122/jabfm.5.2.239 VO 5 IS 2 A1 Hennen, Brian K.E. YR 1992 UL http://www.jabfm.org/content/5/2/239.abstract AB