Variable billing: is it viable?
D000066:Accounting / Q000379:methods*; D003365:Costs and Cost Analysis; D004471:Economics, Nursing; D006801:Humans; D009738:Nursing Service, Hospital / Q000191:economics*; D010350:Patient Credit and Collection / Q000379:methods*; D010361:Patients / Q000145:classification; D010561:Personnel Staffing and Scheduling / Q000191:economics; D012051:Reimbursement Mechanisms; D014481:United States