PT - JOURNAL ARTICLE AU - Ferguson, Bruce TI - Premature Labor AID - 10.3122/jabfm.6.2.202 DP - 1993 Mar 01 TA - The Journal of the American Board of Family Practice PG - 202--203 VI - 6 IP - 2 4099 - http://www.jabfm.org/content/6/2/202.short 4100 - http://www.jabfm.org/content/6/2/202.full SO - J Am Board Fam Med1993 Mar 01; 6