PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.3122/jabfm.2.3.222 DP - 1989 Jul 01 TA - The Journal of the American Board of Family Practice PG - 222--222 VI - 2 IP - 3 4099 - http://www.jabfm.org/content/2/3/222.short 4100 - http://www.jabfm.org/content/2/3/222.full SO - J Am Board Fam Med1989 Jul 01; 2