Objective To assess the risk of venous thromboembolism from use of combined oral contraceptives according to progestogen type and oestrogen dose.Design National historical registry based cohort…
http://feeds.bmj.com/~r/bmj/recent/~3/Cvg7SJAzzJo/bmj.d6423.short
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Júlio Leonardo B. Pereira
http://lattes.cnpq.br/7687651239699170
http://www.neurocirurgiabr.orghttp://www.neurocancer.com
