OKANA- Greek Organisation Against Drugs, Gastroenterology Clinic of AntiCancer Hospital of Athens “Agios Savvas”, Leave a Comment / Ανακοινώσεις σε διεθνή συνέδρια, Δημοσιεύσεις / By Ελευθερία Πετρουλάκη - Μέλλου Gastroenterology Clinic of PoliklinikiGeneral Hospital of Athens4, Athens University Medical School 3rdInternational Symposium on Hepatitis Care in Substance Users September 2013