RT Journal Article
SR Electronic
T1 Comparative risks of venous thromboembolism among users of oral contraceptives containing drospirenone and levonorgestrel
JF Journal of Family Planning and Reproductive Health Care
JO J Fam Plann Reprod Health Care
FD British Medical Journal Publishing Group
SP 132
OP 135
DO 10.1136/jfprhc-2011-14524
VO 37
IS 3
A1 Heinemann, Klaas
A1 Heinemann, Lothar A J
YR 2011
UL http://jfprhc.bmj.com/content/37/3/132.abstract
AB