00368nas a2200145   4500000000100000000000100001008004100002100001700043700001200060700002200072245007700094300001100171490000800182022003200190       1999                            d1 aC. Vasilakis1 aH. Jick1 adel Melero-Montes00aRisk of idiopathic venous thromboembolism in users of progestagens alone  a1610-10 v354  a0140-6736 (Print) 0140-6736