International Journal of Respiration, Volume 33, Issue 3,2013, Pages 239-240, doi:10.3760/cma.j.issn.1673-436X.2013.003.020
International Journal of Respiration, Volume 33, Issue 3,2013, Pages 161-164, doi:10.3760/cma.j.issn.1673-436X.2013.003.001
International Journal of Respiration, Volume 33, Issue 3,2013, Pages 165-169, doi:10.3760/cma.j.issn.1673-436X.2013.003.002
International Journal of Respiration, Volume 33, Issue 3,2013, Pages 222-225, doi:10.3760/cma.j.issn.1673-436X.2013.003.015
International Journal of Respiration, Volume 33, Issue 3,2013, Pages 197-200, doi:10.3760/cma.j.issn.1673-436X.2013.003.009