International Journal of Respiration, Volume 37, Issue 18,2017, Pages 1374-1378, doi:10.3760/cma.j.issn.1673-436X.2017.18.004
International Journal of Respiration, Volume 37, Issue 18,2017, Pages 1369-1373, doi:10.3760/cma.j.issn.1673-436X.2017.18.003
International Journal of Respiration, Volume 37, Issue 18,2017, Pages 1394-1397, doi:10.3760/cma.j.issn.1673-436X.2017.18.008
International Journal of Respiration, Volume 37, Issue 18,2017, Pages 1384-1389, doi:10.3760/cma.j.issn.1673-436X.2017.18.006
International Journal of Respiration, Volume 37, Issue 18,2017, Pages 1421-1424, doi:10.3760/cma.j.issn.1673-436X.2017.18.014