Do oral contraceptive pills really protect against venous thromboembolism, especially in polycystic ovary syndrome patients? Prescription bias or not?

Kasapoglu, T.

American Journal of Obstetrics and Gynecology 209(1): 73-74

2013


ISSN/ISBN: 1097-6868
PMID: 23462511
DOI: 10.1016/j.ajog.2013.02.033
Document Number: 565828

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Do oral contraceptive pills really protect against venous thromboembolism, especially in polycystic ovary syndrome patients? Prescription bias or not?