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Journal
- bmj: british medical journal (international edition)10
- ultrasound in obstetrics & gynecology10
- journal of medical screening7
- bjog: an international journal of obstetrics & gynaecology3
- european journal of obstetrics & gynecology & reproductive biology3
- journal of obstetrics & gynaecology3
- social science & medicine3
- british journal of midwifery2
- health expectations2