NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 10,2002, Pages 714-715, doi:10.3760/j:issn:0376-2491.2002.10.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 10,2002, Pages 653-653, doi:10.3760/j:issn:0376-2491.2002.10.024
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 10,2002, Pages 669-672, doi:10.3760/j:issn:0376-2491.2002.10.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 10,2002, Pages 682-684, doi:10.3760/j:issn:0376-2491.2002.10.010
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 10,2002, Pages 654-656, doi:10.3760/j:issn:0376-2491.2002.10.003