Some aspects of the epidemiology of equine grass sickness.
D000367:Age Factors; D000821:Animal Feed; D000818:Animals; D003141:Communicable Diseases / Q000662:veterinary; D005247:Feeding Behavior; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D006799:Housing, Animal; D006801:Humans; D008297:Male; D010939:Plant Poisoning / Q000453:epidemiology / Q000662:veterinary*; D006109:Poaceae; D012606:Scotland