Publisher: British Medical Association Country of Publication: England NLM ID: 8900488 Publication Model: Electronic Cited Medium: Internet ISSN: 1756-1833 (Electronic) Linking ISSN: 09598138 NLM ISO Abbreviation: BMJ Subsets: MEDLINE
Country of Publication: United States NLM ID: 101767986 Publication Model: Electronic Cited Medium: Internet NLM ISO Abbreviation: medRxiv Subsets: PubMed not MEDLINE
Publisher: Sage Country of Publication: England NLM ID: 101464191 Publication Model: Print-Electronic Cited Medium: Print ISSN: 1753-495X (Print) Linking ISSN: 1753495X NLM ISO Abbreviation: Obstet Med Subsets: PubMed not MEDLINE