RT Journal Article SR Electronic T1 Difficult Medical Management JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 375 OP 376 DO 10.3122/jabfm.4.5.375a VO 4 IS 5 A1 Norris, Tom E. YR 1991 UL http://www.jabfm.org/content/4/5/375.2.abstract AB