International Journal of Respiration, Volume 37, Issue 16,2017, Pages 1253-1257, doi:10.3760/cma.j.issn.1673-436X.2017.16.012
International Journal of Respiration, Volume 37, Issue 16,2017, Pages 1233-1238, doi:10.3760/cma.j.issn.1673-436X.2017.16.008
International Journal of Respiration, Volume 37, Issue 16,2017, Pages 1269-1272, doi:10.3760/cma.j.issn.1673-436X.2017.16.015
International Journal of Respiration, Volume 37, Issue 16,2017, Pages 1222-1227, doi:10.3760/cma.j.issn.1673-436X.2017.16.006
International Journal of Respiration, Volume 37, Issue 16,2017, Pages 1216-1218, doi:10.3760/cma.j.issn.1673-436X.2017.16.004