International Journal of Respiration, Volume 32, Issue 9,2012, Pages 693-697,封3, doi:10.3760/cma.j.issn.1673-436X.2012.009.011
International Journal of Respiration, Volume 32, Issue 9,2012, Pages 648-652, doi:10.3760/cma.j.issn.1673-436X.2012.009.002
International Journal of Respiration, Volume 32, Issue 9,2012, Pages 665-671, doi:10.3760/cma.j.issn.1673-436X.2012.009.005
International Journal of Respiration, Volume 32, Issue 9,2012, Pages 689-692, doi:10.3760/cma.j.issn.1673-436X.2012.009.010
International Journal of Respiration, Volume 32, Issue 9,2012, Pages 678-682, doi:10.3760/cma.j.issn.1673-436X.2012.009.007