DOI: 10.1055/s-00034913

Phlebologie

References

Lidegaard O, Nielsen LH, Skovlund CW, Skjeldestad FE, Lokkegaard E.
Risk of venous thromboembolism from use of oral contraceptives containing different progestogens and oestrogen doses: Danish cohort study, 2001–9.

BMJ (Clinical research ed) 2011;
343: d6423.

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