title: The Nationwide Evaluation of X-Ray Trends, Part 2: US Trends for CT.
authors.forename: David
authors.initials: D
authors.lastname: Spelic
mesh_terms: D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data* / Q000639:trends*; D000069079:Radiation Exposure / Q000706:statistics & numerical data*; D014057:Tomography, X-Ray Computed / Q000706:statistics & numerical data* / Q000639:trends*; D014481:United States; D014600:Utilization Review