Chronically ill children in America.
D002648:Child; D002662:Child Health Services / Q000458:organization & administration*; D002675:Child, Preschool; D002908:Chronic Disease / Q000191:economics*; D006233:Persons with Disabilities; D006291:Health Policy / Q000191:economics*; D006701:Home Nursing / Q000191:economics; D006801:Humans; D014481:United States