1. The use of Thygesen's probang in the treatment of bovine esophageal obstruction due to sugar beets;Church TL;Can Vet J,1972
2. Esophageal obstruction due to a trichobezoar in a cow;Patel JH;Can Vet J,1995
3. Esophageal foreign body in a 2‐day‐old calf;Haas J;Can Vet J,2010
4. The surgical treatment of upper esophageal obstruction in the bovine;Meagher DM;Can Vet J,1989