CHINESE JOURNAL OF RADIOLOGY, Volume 36, Issue 3,2002, Pages 211-214, doi:10.3760/j.issn:1005-1201.2002.03.005
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CHINESE JOURNAL OF RADIOLOGY, Volume 36, Issue 3,2002, Pages 202-205, doi:10.3760/j.issn:1005-1201.2002.03.003
CHINESE JOURNAL OF RADIOLOGY, Volume 36, Issue 3,2002, Pages 227-229, doi:10.3760/j.issn:1005-1201.2002.03.009