TY - STAND AU - R. Farmer AU - T. Williams AU - E. Simpson AU - A. Nightingale BT - Bmj M1 - 7259 PY - 2000 SP - 477 EP - 9 T2 - Bmj TI - Effect of 1995 pill scare on rates of venous thromboembolism among women taking combined oral contraceptives: analysis of general practice research database VL - 321 SN - 0959-8138 (Print) 0959-8138 ER -