NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 17,2001, Pages 1035-1037, doi:10.3760/j:issn:0376-2491.2001.17.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 17,2001, Pages 1086-1088, doi:10.3760/j:issn:0376-2491.2001.17.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 17,2001, Pages 1042-1045, doi:10.3760/j:issn:0376-2491.2001.17.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 17,2001, Pages 1045, doi:10.3760/j:issn:0376-2491.2001.17.025
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 17,2001, Pages 1027, doi:10.3760/j:issn:0376-2491.2001.17.024