International Journal of Respiration, Volume 37, Issue 21,2017, Pages 1623-1629, doi:10.3760/cma.j.issn.1673-436X.2017.21.005
International Journal of Respiration, Volume 37, Issue 21,2017, Pages 1671-1675, doi:10.3760/cma.j.issn.1673-436X.2017.21.016
International Journal of Respiration, Volume 37, Issue 21,2017, Pages 1601-1609, doi:10.3760/cma.j.issn.1673-436X.2017.21.001
International Journal of Respiration, Volume 37, Issue 21,2017, Pages 1618-1622, doi:10.3760/cma.j.issn.1673-436X.2017.21.004
International Journal of Respiration, Volume 37, Issue 21,2017, Pages 1610-1613, doi:10.3760/cma.j.issn.1673-436X.2017.21.002