PT - JOURNAL ARTICLE ED - , TI - Is obstetrics optional? DP - 1981 Feb 01 TA - The Journal of the Royal College of General Practitioners PG - 68--69 VI - 31 IP - 223 4099 - http://bjgp.org/content/31/223/68.short 4100 - http://bjgp.org/content/31/223/68.full SO - J R Coll Gen Pract1981 Feb 01; 31