CHINESE JOURNAL OF RADIOLOGY, Volume 32, Issue 4,1998, , doi:10.3760/j.issn:1005-1201.1998.04.030
CHINESE JOURNAL OF RADIOLOGY, Volume 32, Issue 4,1998, , doi:10.3760/j.issn:1005-1201.1998.04.002
CHINESE JOURNAL OF RADIOLOGY, Volume 32, Issue 4,1998, , doi:10.3760/j.issn:1005-1201.1998.04.014
CHINESE JOURNAL OF RADIOLOGY, Volume 32, Issue 4,1998, , doi:10.3760/j.issn:1005-1201.1998.04.017
CHINESE JOURNAL OF RADIOLOGY, Volume 32, Issue 4,1998, , doi:10.3760/j.issn:1005-1201.1998.04.039