International Journal of Respiration, Volume 35, Issue 13,2015, Pages 1029-1032, doi:10.3760/cma.j.issn.1673-436X.2015.13.017
International Journal of Respiration, Volume 35, Issue 13,2015, Pages 1022-1025, doi:10.3760/cma.j.issn.1673-436X.2015.13.015
International Journal of Respiration, Volume 35, Issue 13,2015, Pages 1004-1007, doi:10.3760/cma.j.issn.1673-436X.2015.13.010
International Journal of Respiration, Volume 35, Issue 13,2015, Pages 1000-1003, doi:10.3760/cma.j.issn.1673-436X.2015.13.009
International Journal of Respiration, Volume 35, Issue 13,2015, Pages 994-999, doi:10.3760/cma.j.issn.1673-436X.2015.13.008