Oral contraceptives and venous thrombosis. An ... - Ãjvind Lidegaard
Oral contraceptives and venous thrombosis. An ... - Ãjvind Lidegaard
Oral contraceptives and venous thrombosis. An ... - Ãjvind Lidegaard
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ObjectivesOC axesConfoundersDose of estrogenDuration of useVTEriskAgeYearType of progestagenEducation<strong>Lidegaard</strong> et al. BMJ 2011; 343: d6423