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Journal
- bjog: an international journal of obstetrics & gynaecology82
- bmj53
- british medical journal51
- british journal of obstetrics and gynaecology40
- obstetrical & gynecological survey38
- bjog: an international journal of obstetrics and gynaecology37
- the british medical journal37
- journal of infectious diseases18
- obstetrical and gynecological survey18