International Journal of Respiration, Volume 36, Issue 15,2016, Pages 1187-1191, doi:10.3760/cma.j.issn.1673-436X.2016.15.015
International Journal of Respiration, Volume 36, Issue 15,2016, Pages 1131-1136, doi:10.3760/cma.j.issn.1673-436X.2016.15.003
International Journal of Respiration, Volume 36, Issue 15,2016, Pages 1147-1150, doi:10.3760/cma.j.issn.1673-436X.2016.15.006
International Journal of Respiration, Volume 36, Issue 15,2016, Pages 1121-1126, doi:10.3760/cma.j.issn.1673-436X.2016.015.001
International Journal of Respiration, Volume 36, Issue 15,2016, Pages 1127-1130, doi:10.3760/cma.j.issn.1673-436X.2016.15.002