Use of polyethylene tubing in presacral pneumography.
D002404:Catheterization / Q000295:instrumentation*; D003952:Diagnostic Imaging; D006801:Humans; D020959:Polyethylene; D011095:Polyethylenes; D011859:Radiography
D011095:Polyethylenes; D020959:Polyethylene
CATHETERIZATION/apparatus and instruments; ROENTGENOGRAPHY