JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY, Volume 22, Issue 9,2001, Pages 775, doi:10.3321/j.issn:1000-2790.2001.09.032
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JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY, Volume 22, Issue 9,2001, Pages 852-854, doi:10.3321/j.issn:1000-2790.2001.09.024
JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY, Volume 22, Issue 9,2001, Pages 849-851, doi:10.3321/j.issn:1000-2790.2001.09.023