International Journal of Respiration, Volume 36, Issue 9,2016, Pages 653-657, doi:10.3760/cma.j.issn.1673-436X.2016.09.004
International Journal of Respiration, Volume 36, Issue 9,2016, Pages 681-685, doi:10.3760/cma.j.issn.1673-436X.2016.09.010
International Journal of Respiration, Volume 36, Issue 9,2016, Pages 713-715, doi:10.3760/cma.j.issn.1673-436X.2016.09.017
International Journal of Respiration, Volume 36, Issue 9,2016, Pages 690-693, doi:10.3760/cma.j.issn.1673-436X.2016.09.012
International Journal of Respiration, Volume 36, Issue 9,2016, Pages 709-712, doi:10.3760/cma.j.issn.1673-436X.2016.09.016