Should Mexico hold its horses?
Kahler
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D000818:Animals; D004685:Encephalomyelitis, Venezuelan Equine / Q000517:prevention & control / Q000662:veterinary*; D006734:Horse Diseases / Q000517:prevention & control*; D006736:Horses; D010527:Perissodactyla; D011790:Quarantine; D014611:Vaccination / Q000662:veterinary*