National Medical Journal of China, Volume 81, Issue 1,2001, Pages 50-52, doi:10.3760/j:issn:0376-2491.2001.01.021
National Medical Journal of China, Volume 81, Issue 1,2001, Pages 插页4, doi:10.3760/j:issn:0376-2491.2001.01.002
National Medical Journal of China, Volume 81, Issue 1,2001, Pages 45-47, doi:10.3760/j:issn:0376-2491.2001.01.018
National Medical Journal of China, Volume 81, Issue 1,2001, Pages 插页5, doi:10.3760/j:issn:0376-2491.2001.01.004
National Medical Journal of China, Volume 81, Issue 1,2001, Pages 37-39, doi:10.3760/j:issn:0376-2491.2001.01.016