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Journal
- american journal of obstetrics and gynecology20
- prenatal diagnosis9
- obstetrics, gynaecology & reproductive medicine6
- american journal of obstetrics & gynecology4
- journal of fetal medicine4
- current obstetrics & gynaecology2
- dewhurst's textbook of obstetrics & gynaecology2
- diagnostics (2075-4418)2
- fetal diagnosis and therapy2