Riding back to health.
D000293:Adolescent; D000328:Adult; D000818:Animals; D002648:Child; D002675:Child, Preschool; D006736:Horses; D006746:Hospital Bed Capacity, 500 and over; D006758:Hospital Volunteers; D006801:Humans; D010414:Pennsylvania; D026741:Physical Therapy Modalities / Q000379:methods*; D013177:Sports