JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY, Volume 23, Issue 13,2002, Pages 1231-1234, doi:10.3321/j.issn:1000-2790.2002.13.023
CHINESE JOURNAL OF CLINICAL REHABILITATION, Volume 6, Issue 13,2002, Pages 2005-2005,
SHANDONG MEDICAL JOURNAL, Volume 42, Issue 13,2002, Pages 65, doi:10.3969/j.issn.1002-266X.2002.13.054