Defaecating video proctography.
Hyland
G J
GJ
D001466:Barium Sulfate; D003672:Defecation; D006801:Humans; D008838:Microcomputers; D011859:Radiography; D012007:Rectum / Q000000981:diagnostic imaging*; D014743:Videotape Recording
D001466:Barium Sulfate