Nurse-midwives and competition: testing an assumption.
D004465:Economic Competition; D004471:Economics, Nursing; D006801:Humans; D007325:Institutional Practice / Q000191:economics*; D007349:Insurance, Health, Reimbursement; D007884:Legislation, Nursing; D008008:Licensure, Nursing; D009721:Nurse Midwives; D014481:United States