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Journal
- bjog: an international journal of obstetrics & gynaecology7
- american journal of public health6
- american journal of clinical nutrition5
- international journal of gynaecology and obstetrics the official organ of the international federation of gynaecology and obstetrics5
- lancet london england4
- pediatrics4
- the american journal of clinical nutrition4
- bjog an international journal of obstetrics and gynaecology3
- journal of perinatology official journal of the california perinatal association3