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- acta obstetricia et gynecologica scandinavica3
- bjog: an international journal of obstetrics & gynaecology3
- tidsskrift for den norske laegeforening tidsskrift for praktisk medicin ny raekke3
- bjog an international journal of obstetrics and gynaecology2
- plos one2
- systematic reviews2
- birth berkeley calif1
- european journal of midwifery1
- midwifery1