Ιωάννης Χατζάρας - Διευθυντής Χειρουργικής Κλινικής - Dr. Ioannis Hatzaras with E. Christopher Ellison, Zollinger Professor of Surgery and former Chairman, Department of Surgery, Ohio State University | Facebook
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Dr. Ioannis Hatzaras Talks to TNH about Reversing Brain Drain in Greece | Ιωάννης Χατζάρας, Χειρουργός Ογκολόγος
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