title: Changing trends in the use and costs of procedures performed by neurosurgeons in the United States.
authors.affiliation: Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, USA.
authors.forename: John A
authors.initials: JA
authors.lastname: Cowan
authors.forename: William F
authors.initials: WF
authors.lastname: Chandler
mesh_terms: D003399:Craniotomy / Q000191:economics / Q000706:statistics & numerical data; D005544:Forecasting; D017048:Health Care Costs / Q000639:trends*; D006301:Health Services Needs and Demand / Q000191:economics / Q000639:trends; D017722:Hospital Charges / Q000639:trends*; D006801:Humans; D019635:Neurosurgical Procedures / Q000191:economics* / Q000193:education / Q000706:statistics & numerical data*; D010351:Patient Discharge / Q000191:economics*; D040841:Resource Allocation / Q000191:economics; D013123:Spinal Fusion / Q000191:economics / Q000706:statistics & numerical data; D014481:United States; D014600:Utilization Review / Q000639:trends