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Dr Raúl Contreras Omaña Hepatologist, Gastroenterologist and Clinical Researcher Chief Investigator, Center for Research in Liver Diseases and Gastroenterology (CIEHG) Pachuca, Hidalgo. Mexico -email: [email protected] -Facebook: Hepatologist Dr Raul Contreras Omana -Twitter: @hepatologist_RCO -YouTube: Hepatologist Dr Raul Contreras Omana -Appointments:(771)1813863 Partner EASL, ALEH, AMH, AMG, SGEH, SHyFM