Publisher: BioMed Central Country of Publication: England NLM ID: 100967799 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2393 (Electronic) Linking ISSN: 14712393 NLM ISO Abbreviation: BMC Pregnancy Childbirth Subsets: MEDLINE
Publisher: Elsevier Science Country of Publication: United States NLM ID: 9312706 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-5487 (Electronic) Linking ISSN: 01884409 NLM ISO Abbreviation: Arch Med Res