Difficult sigmoid colon intubation: guide wire exchange technique.
Ness
R M
RM
Gottlieb
K
K
Rex
D K
DK
Lehman
G A
GA
D012809:Colon, Sigmoid; D020685:Colonoscopes; D020699:Gastroscopes; D006801:Humans; D007441:Intubation, Gastrointestinal / Q000379:methods*