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To the Editor: Morgan (March 25 issue)1 concluded that despite the plethora of magnetic resonance imaging (MRI) centers in Orange County, California, access was severely limited for both Medicaid patients and patients lacking private insurance. Canada, as she stated, has fewer MRI centers than Orange County. I conducted a similar telephone survey of the MRI centers in Toronto.Like Dr. Morgan, I asked how long it would take to schedule an MRI for a patient with a suspected brain tumor. I did not pose as a patient, but as a physician attempting to make a referral. The first center said . . .