Publisher: British Medical Assn Country of Publication: England NLM ID: 2985108R Publication Model: Electronic Cited Medium: Internet ISSN: 1468-3288 (Electronic) Linking ISSN: 00175749 NLM ISO Abbreviation: Gut Subsets: MEDLINE
Publisher: Elsevier for the American Society for Reproductive Medicine Country of Publication: United States NLM ID: 0372772 Publication Model: Print Cited Medium: Print ISSN: 0015-0282 (Print) Linking ISSN: 00150282 NLM ISO Abbreviation: Fertil Steril Subsets: OLDMEDLINE