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  1. By: United States. Animal and Plant Health Inspection Service. Veterinary Services. Centers for Epidemiology and Animal Health. - National Animal Health Monitoring System (U.S.)
    Publication info: Fort Collins, CO, U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, [2000]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Control  Horses  Internet resource  Parasites  Strongylida  United States