"Justifying nurse practitioner existence: hard facts to hard figures".
Mahoney
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D011307:Drug Prescriptions / Q000592:standards*; D006801:Humans; D009722:Nurse Practitioners / Q000592:standards*; D015399:Nursing Research / Q000592:standards*; D010820:Physicians / Q000592:standards; D011787:Quality of Health Care; D014481:United States