BMC Pulmonary Medicine (2018) - Comments
pubmed: 29499691  doi: 10.1186/s12890-018-0604-x  issn: 1471-2466 

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Mario Boehm, Nadine Arnold, Adam Braithwaite, Josephine Pickworth, Changwu Lu, Tatyana Novoyatleva, David G. Kiely, Friedrich Grimminger, Hossein A. Ghofrani, Norbert Weissmann, Werner Seeger, Allan Lawrie, Ralph T. Schermuly, Baktybek Kojonazarov