International Journal of Respiration, Volume 34, Issue 17,2014, Pages 1357-1360, doi:10.3760/cma.j.issn.1673-436X.2014.17.020
International Journal of Respiration, Volume 34, Issue 17,2014, Pages 1311-1315, doi:10.3760/cma.j.issn.1673-436X.2014.17.009
International Journal of Respiration, Volume 34, Issue 17,2014, Pages 1334-1337, doi:10.3760/cma.j.issn.1673-436X.2014.17.015
International Journal of Respiration, Volume 34, Issue 17,2014, Pages 1353-1356, doi:10.3760/cma.j.issn.1673-436X.2014.17.019
International Journal of Respiration, Volume 34, Issue 17,2014, Pages 1324-1326, doi:10.3760/cma.j.issn.1673-436X.2014.17.012