International Journal of Respiration, Volume 35, Issue 16,2015, Pages 1201-1209, doi:10.3760/cma.j.issn.1673-436X.2015.16.001
International Journal of Respiration, Volume 35, Issue 16,2015, Pages 1219-1225, doi:10.3760/cma.j.issn.1673-436X.2015.16.004
International Journal of Respiration, Volume 35, Issue 16,2015, Pages 1246-1250, doi:10.3760/cma.j.issn.1673-436X.2015.16.010
International Journal of Respiration, Volume 35, Issue 16,2015, Pages 1259-1262, doi:10.3760/cma.j.issn.1673-436X.2015.16.013
International Journal of Respiration, Volume 35, Issue 16,2015, Pages 1268-1271, doi:10.3760/cma.j.issn.1673-436X.2015.16.015