International Journal of Respiration, Volume 40, Issue 24,2020, Pages 1910-1914, doi:10.3760/cma.j.cn131368-20190722-01044
International Journal of Respiration, Volume 40, Issue 24,2020, Pages 1915-1920, doi:10.3760/cma.j.cn131368-20200229-00098
International Journal of Respiration, Volume 40, Issue 24,2020, Pages 1841-1848, doi:10.3760/cma.j.cn131368-20200317-00168
International Journal of Respiration, Volume 40, Issue 24,2020, Pages 1862-1867, doi:10.3760/cma.j.cn131368-20200328-00229
International Journal of Respiration, Volume 40, Issue 24,2020, Pages 1889-1893, doi:10.3760/cma.j.cn131368-20200324-00210