TY - STAND AU - R. Farmer AU - R. Lawrenson AU - J. Todd AU - T. Williams AU - K. MacRae BT - Hum Reprod Update M1 - 6 PY - 1999 SP - 688 EP - 706 T2 - Hum Reprod Update TI - Oral contraceptives and venous thromboembolic disease. Analyses of the UK General Practice Research Database and the UK Mediplus database VL - 5 SN - 1355-4786 (Print) 1355-4786 ER -