[A radiological study on the presacral space].
Katayama
N
N
D000293:Adolescent; D000328:Adult; D000368:Aged; D003093:Colitis, Ulcerative / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012007:Rectum / Q000000981:diagnostic imaging*; D012447:Sacrum / Q000000981:diagnostic imaging