PT  - JOURNAL ARTICLE
ED  - ,
TI  - Oral contraceptives, venous thrombosis, and varicose veins. Royal College of General Practitioners' Oral Contraception Study.
DP  - 1978 Jul 01
TA  - The Journal of the Royal College of General Practitioners
PG  - 393--399
VI  - 28
IP  - 192
4099  - http://bjgp.org/content/28/192/393.short
4100  - http://bjgp.org/content/28/192/393.full
SO  - J R Coll Gen Pract1978 Jul 01; 28