title: "Top 5" lists top $5 billion.
authors.forename: Minal S
authors.initials: MS
authors.lastname: Kale
authors.forename: Tara F
authors.initials: TF
authors.lastname: Bishop
authors.forename: Alex D
authors.initials: AD
authors.lastname: Federman
authors.forename: Salomeh
authors.initials: S
authors.lastname: Keyhani
mesh_terms: D000553:Ambulatory Care / Q000458:organization & administration*; D017046:Cost Savings; D017050:Episode of Care; D006300:Health Services Misuse / Q000191:economics*; D006801:Humans; D058007:Physicians, Primary Care / Q000191:economics / Q000706:statistics & numerical data; D014481:United States; D019564:Unnecessary Procedures / Q000191:economics* / Q000706:statistics & numerical data