NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 15,2002, Pages 1022-1024, doi:10.3760/j:issn:0376-2491.2002.15.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 15,2002, Pages 1080, doi:10.3760/j:issn:0376-2491.2002.15.026
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 15,2002, Pages 1037-1041, doi:10.3760/j:issn:0376-2491.2002.15.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 15,2002, Pages 1042-1045, doi:10.3760/j:issn:0376-2491.2002.15.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 15,2002, Pages 1069, doi:10.3760/j:issn:0376-2491.2002.15.027