title: This monopoly is state-approved. Maine Heart Surgical Associates.
authors.forename: M
authors.initials: M
authors.lastname: Pretzer
mesh_terms: D016363:Antitrust Laws; D019058:Community Networks / Q000191:economics / Q000331:legislation & jurisprudence*; D004465:Economic Competition; D005251:Fees, Medical; D006123:Group Practice / Q000191:economics / Q000458:organization & administration*; D008281:Maine; D008329:Managed Care Programs / Q000191:economics; D013903:Thoracic Surgery / Q000191:economics / Q000458:organization & administration*