CHINESE JOURNAL OF RADIOLOGY, Volume 33, Issue 5,1999, Pages 326, doi:10.3760/j.issn:1005-1201.1999.05.031
CHINESE JOURNAL OF RADIOLOGY, Volume 33, Issue 5,1999, Pages 343, doi:10.3760/j.issn:1005-1201.1999.05.034
CHINESE JOURNAL OF RADIOLOGY, Volume 33, Issue 5,1999, Pages 338, doi:10.3760/j.issn:1005-1201.1999.05.014
CHINESE JOURNAL OF RADIOLOGY, Volume 33, Issue 5,1999, Pages 309, doi:10.3760/j.issn:1005-1201.1999.05.006
CHINESE JOURNAL OF RADIOLOGY, Volume 33, Issue 5,1999, Pages 348, doi:10.3760/j.issn:1005-1201.1999.05.019