Hartzema AG
No ORCID on file
· 2 papers in corpus
other
2013
Clinical studies that use observational databases to evaluate the effects of medical products have become commonplace. Such studies begin by selecting a particular database, a decision that published papers invariably report but do not disc…
observational
2013
BACKGROUND: There is an increased risk of venous thromboembolism among women taking oral contraceptives. However, whether there is an additional risk among women with polycystic ovary syndrome (PCOS) is unknown. METHODS: We developed a pop…