title: Variations in ambulatory test use: what do they mean?
abstract: This article discusses the meaning of variations in ambulatory test use with emphasis on practice setting, availability of testing services, financial incentives, and physician and patient characteristics.
authors.forename: A M
authors.initials: AM
authors.lastname: Epstein
authors.forename: B J
authors.initials: BJ
authors.lastname: McNeil
mesh_terms: D000553:Ambulatory Care / Q000191:economics / Q000458:organization & administration / Q000706:statistics & numerical data*; D003954:Diagnostic Services / Q000191:economics / Q000458:organization & administration / Q000706:statistics & numerical data*; D006297:Health Services Accessibility / Q000191:economics; D006301:Health Services Needs and Demand / Q000191:economics; D006801:Humans; D010361:Patients; D010820:Physicians; D011216:Practice Management, Medical; D012052:Reimbursement, Incentive / Q000191:economics