HOUSTON--(BUSINESS WIRE)--Positron Corporation (OTCBB: POSC) (the “Company”) announced today that a recent study by The State University of New York at Buffalo reveals that Positron Emission Tomography (”PET”) scanning when used as the first tool to diagnose heart-vessel blockages, is more accurate, less invasive and cost effective than SPECT imaging. The research findings were published in the July edition of the Journal of Nuclear Medicine.