Publisher: BMJ Publishing Group Ltd Country of Publication: England NLM ID: 101552874 Publication Model: Electronic Cited Medium: Internet ISSN: 2044-6055 (Electronic) Linking ISSN: 20446055 NLM ISO Abbreviation: BMJ Open Subsets: MEDLINE
Publisher: Elsevier Country of Publication: England NLM ID: 101605555 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2213-2619 (Electronic) Linking ISSN: 22132600 NLM ISO Abbreviation: Lancet Respir Med Subsets: MEDLINE