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- american journal of obstetrics and gynecology34
- obstetrics and gynecology33
- obstetrics & gynecology8
- acta obstetricia et gynecologica scandinavica supplement6
- american journal of public health5
- international journal of gynecology and obstetrics4
- jama: journal of the american medical association4
- american journal of obstetrics & gynecology3
- american journal of perinatology3