Mid-level practitioners in rural health care: a three-year experience in Appalachia.
D000293:Adolescent; D000328:Adult; D001061:Appalachian Region; D002648:Child; D003258:Consumer Behavior; D003695:Delivery of Health Care; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009657:North Carolina; D009722:Nurse Practitioners; D010823:Physician Assistants; D012017:Referral and Consultation; D012423:Rural Health