RT Journal Article SR Electronic T1 Drospirenone and VTE JF Journal of Family Planning and Reproductive Health Care JO J Fam Plann Reprod Health Care FD British Medical Journal Publishing Group SP 44 OP 44 DO 10.1783/147118910790291127 VO 36 IS 1 A1 Marcel LeppeƩ A1 Mirela Eric A1 Josip Culig YR 2010 UL http://jfprhc.bmj.com/content/36/1/44.3.abstract AB