@misc{10433, author = {H. Jick and S. Jick and V. Gurewich and M. Myers and C. Vasilakis}, title = {Risk of idiopathic cardiovascular death and nonfatal venous thromboembolism in women using oral contraceptives with differing progestagen components}, year = {1995}, journal = {Lancet}, volume = {346}, number = {8990}, pages = {1589-93}, issn = {0140-6736 (Print) 0140-6736}, }