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Bogni, Serge; Ortner, Maria-Anna; Vajtai, Istvan; Jost, Christian; Reinert, Michael; Dallemagne, Bernard; Frenz, Martin (2012). New laser soldering-based closures: a promising method in natural orifice transluminal endoscopic surgery. Gastrointestinal endoscopy, 76(1), pp. 151-8. New York, N.Y.: Elsevier 10.1016/j.gie.2012.03.006
Ortner, Maria-Anna (2009). Photodynamic therapy for cholangiocarcinoma: overview and new developments. Current opinion in gastroenterology, 25(5), pp. 472-6. Philadelphia, Pa.: Lippincott Williams & Wilkins 10.1097/MOG.0b013e32832e6e1f
