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- cochrane database of systematic reviews81
- acta obstetricia et gynecologica scandinavica34
- bmc pregnancy and childbirth32
- bmc medicine30
- bmc pregnancy & childbirth24
- obesity research & clinical practice15
- australian & new zealand journal of obstetrics & gynaecology14
- american journal of obstetrics and gynecology10
- australian and new zealand journal of obstetrics and gynaecology10