RT Journal Article SR Electronic T1 Four Hours A Month JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 150 OP 152 DO 10.3122/jabfm.2.3.150 VO 2 IS 3 A1 Realini, Janet P. A1 Smith, Charles W. YR 1989 UL http://www.jabfm.org/content/2/3/150.abstract AB