A Santamaria, J Mateo, A Oliver, B Menendez, JC Souto, M Borrell, JM Soria, I Tirado, J Fontcuberta. Risk of thrombosis associated with oral contraceptives of women from 97 families with inherited thrombophilia: high risk of thrombosis in carriers of the G20210A mutation of the prothrombin gene. Haematologica 2001;86(9):965-971; https://doi.org/10.3324/%x.