Lidegaard, O; Nielsen, L.; Skovlund, CW; Skjeldestad, Finn Egil; Løkkegaard, Ellen (Journal article; Tidsskriftartikkel; Peer reviewed, 2011-10-25)
Objective To assess the risk of venous thromboembolism from use of
combined oral contraceptives according to progestogen type and
oestrogen dose.<p>
<p>Design National historical registry based cohort study.
<p>Setting Four registries in Denmark.
<p>Participants Non-pregnant Danish women aged 15-49 with no history
of thrombotic disease and followed from January 2001 to December
2009.
<p>Main ...