title: Headaches of an EBM believer.
authors.forename: A D
authors.initials: AD
authors.lastname: Walling
mesh_terms: D003952:Diagnostic Imaging / Q000639:trends; D019317:Evidence-Based Medicine / Q000639:trends*; D005544:Forecasting; D006261:Headache / Q000145:classification*; D006801:Humans; D008329:Managed Care Programs / Q000639:trends; D011379:Prognosis