As high-tech scanners proliferated, the Minnesota Department of Health last year began tracking machines not just in hospitals but also in physicians' offices and independent centers. There's particular concern with scanners owned by physicians, because studies show physicians who self-refer tend to order more services at a higher cost than physicians who do not self-refer. Here's a look at the number of MRI and CT scanners:
Minneapolis MRI CT
Hospitals 13 14
*Offices 6 6
St. Paul
Hospitals 8 11
*Offices 7 6
Edina/Bloomington
Hospitals 2 2
*Offices 7 6
* Physicians' offices and stand-alone centers
Source: Minnesota Department of Health

Just as Lawrence Kazmerski, a top official at the National Renewable Energy Laboratory, was about to give the keynote address at the University of Minnesota's annual E3 conference at the RiverCentre in St. Paul, the lights went out, bathing the audience in darkness and a deep sense of irony.
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