National Medical Journal of China, Volume 100, Issue 18,2020, Pages 1376-1379, doi:10.3760/cma.j.cn112137-20191217-02756
National Medical Journal of China, Volume 100, Issue 18,2020, Pages 1364-1367, doi:10.3760/cma.j.cn112137-20191215-02738
National Medical Journal of China, Volume 100, Issue 18,2020, Pages 1372-1375, doi:10.3760/cma.j.cn112137-20191129-02601
National Medical Journal of China, Volume 100, Issue 18,2020, Pages 1409-1413, doi:10.3760/cma.j.cn112137-20191108-02424
National Medical Journal of China, Volume 100, Issue 18,2020, Pages 1414-1418, doi:10.3760/cma.j.cn112137-20191111-02454