International Journal of Respiration, Volume 35, Issue 14,2015, Pages 1041-1047, doi:10.3760/cma.j.issn.1673-436X.2015.14.001
International Journal of Respiration, Volume 35, Issue 14,2015, Pages 1086-1089, doi:10.3760/cma.j.issn.1673-436X.2015.14.011
International Journal of Respiration, Volume 35, Issue 14,2015, Pages 1101-1104, doi:10.3760/cma.j.issn.1673-436X.2015.14.015
International Journal of Respiration, Volume 35, Issue 14,2015, Pages 1105-1108, doi:10.3760/cma.j.issn.1673-436X.2015.14.016
International Journal of Respiration, Volume 35, Issue 14,2015, Pages 1118-1120, doi:10.3760/cma.j.issn.1673-436X.2015.14.019