PT - JOURNAL ARTICLE AU - Clifford Kay TI - RCGP Oral Contraception Study DP - 1982 Jul 01 TA - The Journal of the Royal College of General Practitioners PG - 452--452 VI - 32 IP - 240 4099 - http://bjgp.org/content/32/240/452.1.short 4100 - http://bjgp.org/content/32/240/452.1.full SO - J R Coll Gen Pract1982 Jul 01; 32