Allergy in a horse.
D000818:Animals; D006734:Horse Diseases; D006736:Horses; D006967:Hypersensitivity / Q000209:etiology*; D010406:Penicillins / Q000031:analogs & derivatives; D014581:Urticaria / Q000209:etiology*
D010406:Penicillins
ALLERGY/etiology and pathogenesis; HORSES/diseases; PENICILLIN/derivatives; URTICARIA/etiology and pathogenesis