Scanning for alternatives. Studies: CT scans might be way to find blockages.
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Shawn
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D006328:Cardiac Catheterization; D023921:Coronary Stenosis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D011237:Predictive Value of Tests; D013673:Technology Assessment, Biomedical; D036542:Tomography, Spiral Computed; D014481:United States