title: Increased costs and rates of use in the California workers' compensation system as a result of self-referral by physicians.
authors.forename: S
authors.initials: S
authors.lastname: Cohen
mesh_terms: D002140:California; D016265:Conflict of Interest; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000706:statistics & numerical data*; D012017:Referral and Consultation / Q000191:economics*; D014942:Workers' Compensation / Q000191:economics*