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Journal
- american journal of perinatology10
- bmj open3
- journal of obstetrics and gynaecology canada3
- journal of perinatology2
- the journal of pediatrics2
- acta obstetricia et gynecologica scandinavica1
- american journal of obstetrics and gynecology1
- american journal of respiratory and critical care medicine1
- archives of disease in childhood - fetal and neonatal edition1