| Literature DB >> 23988770 |
Clare van Halsema1, Susan Humphreys, Alec Bonington.
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Year: 2013 PMID: 23988770 DOI: 10.1183/09031936.00128613
Source DB: PubMed Journal: Eur Respir J ISSN: 0903-1936 Impact factor: 16.671