%0 Journal Article %A Susan S Jick %T Risk of venous thromboembolism in oral contraceptive users varies according to progestin type %D 2012 %R 10.1136/ebnurs-2011-100480 %J Evidence Based Nursing %P 82-83 %V 15 %N 3 %U https://ebn.bmj.com/content/ebnurs/15/3/82.full.pdf