Assessing selected respiratory therapy modalities: trends and relative costs in the Washington, D.C. area.
D003362:Cost-Benefit Analysis; D004219:District of Columbia; D006748:Hospital Departments / Q000191:economics*; D006801:Humans; D007385:Intermittent Positive-Pressure Ventilation / Q000706:statistics & numerical data*; D011175:Positive-Pressure Respiration / Q000706:statistics & numerical data*; D012138:Respiratory Therapy / Q000706:statistics & numerical data*; D012139:Respiratory Therapy Department, Hospital / Q000191:economics*; D013673:Technology Assessment, Biomedical; D012122:Ventilators, Mechanical