International Journal of Respiration, Volume 40, Issue 7,2020, Pages 516-520, doi:10.3760/cma.j.cn131368-20200316-01594
International Journal of Respiration, Volume 40, Issue 7,2020, Pages 493-498, doi:10.3760/cma.j.cn131368-20190621-00932
International Journal of Respiration, Volume 40, Issue 7,2020, Pages 541-545, doi:10.3760/cma.j.cn131368-20190721-01039
International Journal of Respiration, Volume 40, Issue 7,2020, Pages 531-535, doi:10.3760/cma.j.cn131368-20190604-00827
International Journal of Respiration, Volume 40, Issue 7,2020, Pages 506-511, doi:10.3760/cma.j.cn131368-20190226-00253