International Journal of Respiration, Volume 40, Issue 10,2020, Pages 796-800, doi:10.3760/cma.j.cn131368-20190905-01249
International Journal of Respiration, Volume 40, Issue 10,2020, Pages 726-730, doi:10.3760/cma.j.cn131368-20190830-01221
International Journal of Respiration, Volume 40, Issue 10,2020, Pages 731-736, doi:10.3760/cma.j.cn131368-20190814-01151
International Journal of Respiration, Volume 40, Issue 10,2020, Pages 762-766, doi:10.3760/cma.j.cn131368-20190925-01334
International Journal of Respiration, Volume 40, Issue 10,2020, Pages 784-789, doi:10.3760/cma.j.cn131368-20190816-01162