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Journal
- placenta240
- bjog: an international journal of obstetrics & gynaecology94
- bmc pregnancy and childbirth74
- bmc pregnancy & childbirth68
- plos one63
- ultrasound in obstetrics & gynecology51
- acta obstetricia et gynecologica scandinavica47
- journal of obstetrics & gynaecology32
- american journal of reproductive immunology26