BMC Pulmonary Medicine (2010) - Comment
pubmed: 20444277  doi: 10.1186/1471-2466-10-26  issn: 1471-2466 

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Sergey Udalov, Rio Dumitrascu, Soni S Pullamsetti, Hamza M Al-tamari, Norbert Weissmann, Hossein A Ghofrani, Andreas Guenther, Robert Voswinckel, Werner Seeger, Friedrich Grimminger, Ralph T Schermuly