RT Journal Article SR Electronic T1 Concise Textbook of Medicine. Second edition JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 123 OP 123 DO 10.3122/jabfm.5.1.123 VO 5 IS 1 A1 James J. Bergman YR 1992 UL http://www.jabfm.org/content/5/1/123.1.abstract AB