International Journal of Respiration, Volume 41, Issue 20,2021, Pages 1573-1578, doi:10.3760/cma.j.cn131368-20200731-00681
International Journal of Respiration, Volume 41, Issue 20,2021, Pages 1597-1600, doi:10.3760/cma.j.cn131368-20200926-00873
International Journal of Respiration, Volume 41, Issue 20,2021, Pages 1590-1596, doi:10.3760/cma.j.cn131368-20210308-00170
International Journal of Respiration, Volume 41, Issue 20,2021, Pages 1545-1550, doi:10.3760/cma.j.cn131368-20201201-01090
International Journal of Respiration, Volume 41, Issue 20,2021, Pages 1521-1525, doi:10.3760/cma.j.cn131368-20201102-00992