A safety maneuver for placing overtubes during endoscopic variceal ligation.
Goldschmiedt
M
M
Haber
G
G
Kandel
G
G
Kortan
P
P
Marcon
N
N
D004939:Esophageal Perforation / Q000517:prevention & control; D004932:Esophageal and Gastric Varices / Q000601:surgery*; D020701:Esophagoscopes; D006801:Humans; D008026:Ligation / Q000379:methods