International Journal of Respiration, , Issue 10,2015, Pages 759-761, doi:10.3760/cma.j.issn.1673-436X.2015.10.010
International Journal of Respiration, , Issue 10,2015, Pages 724-727, doi:10.3760/cma.j.issn.1673-436X.2015.10.002
International Journal of Respiration, , Issue 10,2015, Pages 796-800, doi:10.3760/cma.j.issn.1673-436X.2015.10.019
International Journal of Respiration, , Issue 10,2015, Pages 784-786, doi:10.3760/cma.j.issn.1673-436X.2015.10.016