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</html><description>Dr. Demosthenes G. Katritsis MD, PhD (London), FRCP, FESC, FACC Adjunct Assistant Professor of Cardiology Johns Hopkins Medicine, Baltimore, MD, USA Former Lecturer on Medicine Harvard Medical School, Boston, MA, USA The Heart Center Comprehensive Cardiology Care at Hygeia Hospital, Athens, Greece Read more Services Scientific Books Read the Doctor&#x2019;s recent publications More</description><thumbnail_url>https://dgkatritsis.beta4u.gr/wp-content/uploads/2025/12/banner2-11.jpg</thumbnail_url></oembed>
