@misc{10310, author = {R. Farmer and T. Williams and E. Simpson and A. Nightingale}, title = {Effect of 1995 pill scare on rates of venous thromboembolism among women taking combined oral contraceptives: analysis of general practice research database}, year = {2000}, journal = {Bmj}, volume = {321}, number = {7259}, pages = {477-9}, issn = {0959-8138 (Print) 0959-8138}, }