International Journal of Respiration, , Issue 9,2015, Pages 676-680, doi:10.3760/cma.j.issn.1673-436X.2015.09.009
International Journal of Respiration, , Issue 9,2015, Pages 655-659, doi:10.3760/cma.j.issn.1673-436X.2015.09.004
International Journal of Respiration, , Issue 9,2015, Pages 663-666, doi:10.3760/cma.j.issn.1673-436X.2015.09.006
International Journal of Respiration, , Issue 9,2015, Pages 698-701, doi:10.3760/cma.j.issn.1673-436X.2015.09.014
International Journal of Respiration, , Issue 9,2015, Pages 686-690, doi:10.3760/cma.j.issn.1673-436X.2015.09.011