NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 16,2003, Pages 1413-1418, doi:10.3760/j:issn:0376-2491.2003.16.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 16,2003, Pages 1379-1380, doi:10.3760/j:issn:0376-2491.2003.16.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 16,2003, Pages 1433-1436, doi:10.3760/j:issn:0376-2491.2003.16.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 16,2003, Pages 1409-1412, doi:10.3760/j:issn:0376-2491.2003.16.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 16,2003, Pages 1387-1390, doi:10.3760/j:issn:0376-2491.2003.16.005