Publisher: BioMed Central Country of Publication: England NLM ID: 100968567 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2482 (Electronic) Linking ISSN: 14712482 NLM ISO Abbreviation: BMC Surg Subsets: MEDLINE
Publisher: Optica Publishing Group Country of Publication: United States NLM ID: 7708433 Publication Model: Print Cited Medium: Internet ISSN: 1539-4794 (Electronic) Linking ISSN: 01469592 NLM ISO Abbreviation: Opt Lett Subsets: PubMed not MEDLINE; MEDLINE