International Journal of Respiration, Volume 38, Issue 10,2018, Pages 746-750, doi:10.3760/cma.j.issn.1673-436X.2018.10.006
International Journal of Respiration, Volume 38, Issue 10,2018, Pages 796-800, doi:10.3760/cma.j.issn.1673-436X.2018.10.016
International Journal of Respiration, Volume 38, Issue 10,2018, Pages 721-724, doi:10.3760/cma.j.issn.1673-436X.2018.10.001
International Journal of Respiration, Volume 38, Issue 10,2018, Pages 783-786, doi:10.3760/cma.j.issn.1673-436X.2018.10.013
International Journal of Respiration, Volume 38, Issue 10,2018, Pages 751-757, doi:10.3760/cma.j.issn.1673-436X.2018.10.007