International Journal of Respiration, Volume 37, Issue 14,2017, Pages 1100-1104, doi:10.3760/cma.j.issn.1673-436X.2017.14.011
International Journal of Respiration, Volume 37, Issue 14,2017, Pages 1078-1082, doi:10.3760/cma.j.issn.1673-436X.2017.14.006
International Journal of Respiration, Volume 37, Issue 14,2017, Pages 1083-1086, doi:10.3760/cma.j.issn.1673-436X.2017.14.007
International Journal of Respiration, Volume 37, Issue 14,2017, Pages 1117-1120, doi:10.3760/cma.j.issn.1673-436X.2017.14.014
International Journal of Respiration, Volume 37, Issue 14,2017, Pages 1091-1094, doi:10.3760/cma.j.issn.1673-436X.2017.14.009