International Journal of Respiration, Volume 35, Issue 23,2015, Pages 1811-1814, doi:10.3760/cma.j.issn.1673-436X.2015.23.011
International Journal of Respiration, Volume 35, Issue 23,2015, Pages 1825-1830, doi:10.3760/cma.j.issn.1673-436X.2015.23.014
International Journal of Respiration, Volume 35, Issue 23,2015, Pages 1768-1772, doi:10.3760/cma.j.issn.1673-436X.2015.23.002
International Journal of Respiration, Volume 35, Issue 23,2015, Pages 1804-1810, doi:10.3760/cma.j.issn.1673-436X.2015.23.010
International Journal of Respiration, Volume 35, Issue 23,2015, Pages 1761-1767, doi:10.3760/cma.j.issn.1673-436X.2015.23.001