International Journal of Respiration, Volume 37, Issue 5,2017, Pages 387-391, doi:10.3760/cma.j.issn.1673-436X.2017.05.013
International Journal of Respiration, Volume 37, Issue 5,2017, Pages 369-373, doi:10.3760/cma.j.issn.1673-436X.2017.05.009
International Journal of Respiration, Volume 37, Issue 5,2017, Pages 348-353, doi:10.3760/cma.j.issn.1673-436X.2017.05.006
International Journal of Respiration, Volume 37, Issue 5,2017, Pages 354-360, doi:10.3760/cma.j.issn.1673-436X.2017.05.007
International Journal of Respiration, Volume 37, Issue 5,2017, Pages 383-386, doi:10.3760/cma.j.issn.1673-436X.2017.05.012