Persistent URL of this record https://hdl.handle.net/1887/109796
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Types of progestogens in combined oral contraception: effectiveness and side-effects
- All authors
- Lawrie, T.A.; Helmerhorst, F.M.; Maitra, N.K.; Kulier, R.; Bloemenkamp, K.; Gulmezoglu, A.M.
- Date
- 2011-12-31
- Issue
- 5