THE ORTHOPEDIC JOURNAL OF CHINA, Volume 11, Issue 23,2003, Pages 1616-1618, doi:10.3969/j.issn.1005-8478.2003.23.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 23,2003, Pages 2064-2066, doi:10.3760/j:issn:0376-2491.2003.23.014
SHANDONG MEDICAL JOURNAL, Volume 43, Issue 23,2003, Pages 封三-封四, doi:10.3969/j.issn.1002-266X.2003.23.073
JOURNAL OF CHINESE PRACTICAL MEDICINE, Volume 5, Issue 23,2003, Pages 15-18,