Publisher: BioMed Central Country of Publication: England NLM ID: 101263253 Publication Model: Electronic Cited Medium: Internet ISSN: 1745-6215 (Electronic) Linking ISSN: 17456215 NLM ISO Abbreviation: Trials Subsets: MEDLINE
Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101631999 Publication Model: Electronic Cited Medium: Internet ISSN: 2055-1010 (Electronic) Linking ISSN: 20551010 NLM ISO Abbreviation: NPJ Prim Care Respir Med Subsets: MEDLINE
Publisher: British Medical Assn Country of Publication: England NLM ID: 0417353 Publication Model: Print Cited Medium: Print ISSN: 0040-6376 (Print) Linking ISSN: 00406376 NLM ISO Abbreviation: Thorax Subsets: MEDLINE