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Journal
- bmc pregnancy & childbirth10
- bmc pregnancy and childbirth10
- journal of maternal-fetal & neonatal medicine10
- international journal of gynecology & obstetrics8
- journal of ethnopharmacology5
- journal of the chinese medical association5
- the journal of maternal-fetal & neonatal medicine5
- bmc women's health4
- journal of perinatal medicine4