NCT01855997
- Conditions
- Blood-Borne Infections, Chronic Disease, Communicable Diseases, +14 more
- Locations
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- Medizinische Universität Wien; Univ.Klinik für Innere Medizin III - Gastroenterologie & Hepatologie Vienna, Austria
- MHAT Tokuda Hospital Sofia; Department of Gastroenterology at Clinic of Internal Deseases Sofia, Bulgaria
- Mhat Sveta Marina; Clinic of Gastroenterology Varna, Bulgaria
- Beijing Ditan Hospital Beijing, China