RT Journal Article SR Electronic T1 Hyperparathyroidism JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 529 OP 531 DO 10.3122/jabfm.5.5.529 VO 5 IS 5 A1 Kirchner, Jeffrey T. YR 1992 UL http://www.jabfm.org/content/5/5/529.abstract AB