title: Observations on eastern equine encephalitis in Maryland in 1959.
mesh_terms: D000818:Animals; D004679:Encephalomyelitis; D020242:Encephalomyelitis, Eastern Equine; D004683:Encephalomyelitis, Equine / Q000453:epidemiology*; D006736:Horses; D008396:Maryland
keywords: ENCEPHALOMYELITIS, EQUINE/epidemiology