Choke in Shetland ponies, caused by boluses.
D000402:Airway Obstruction; D000818:Animals; D004194:Disease; D004935:Esophageal Diseases; D004940:Esophageal Stenosis; D004947:Esophagus; D006734:Horse Diseases; D006736:Horses
ESOPHAGUS/diseases; HORSES/diseases