Direct transnasal cholangioscopy with ultraslim endoscopes: a one-step intraductal balloon-guided approachPOHL, Jürgen; ELL, Christian.Gastrointestinal endoscopy (Print). 2011, Vol 74, Num 2, pp 309-316, issn 0016-5107, 8 p.Article

Endoscopic reection of early oesophageal cancerPECH, Oliver; MAY, Andrea; RABENSTEIN, Thomas et al.Gut. 2007, Vol 56, Num 11, pp 1625-1634, issn 0017-5749, 10 p.Article

Endoscopic interventions in the small bowel using double balloon enteroscopy : Feasibility and limitationsMAY, Andrea; NACHBAR, Lars; POHL, Jürgen et al.The American journal of gastroenterology. 2007, Vol 102, Num 3, pp 527-535, issn 0002-9270, 9 p.Article

First use of ventricular septal defect occlusion device for endoscopic closure of an esophagorespiratory fistula using bronchoscopy and esophagoscopyRABENSTEIN, Thomas; BOOSFELD, Christoph; HENRICH, Rolf et al.Chest. 2006, Vol 130, Num 3, pp 906-909, issn 0012-3692, 4 p.Article

Prospective comparison of push enteroscopy and push-and-pull enteroscopy in patients with suspected small-bowel bleedingMAY, Andrea; NACHBAR, Lars; SCHNEIDER, Marion et al.The American journal of gastroenterology. 2006, Vol 101, Num 9, pp 2016-2024, issn 0002-9270, 9 p.Article

Double-balloon enteroscopy (push-and-pull enteroscopy) of the small bowel : feasibility and diagnostic and therapeutic yield in patients with suspected small bowel diseaseMAY, Andrea; NACHBAR, Lars; ELL, Christian et al.Gastrointestinal endoscopy. 2005, Vol 62, Num 1, pp 62-70, issn 0016-5107, 9 p.Article

Early Barrett's carcinoma: the depth of infiltration of the tumour correlates with the degree of differentiation, the incidence of lymphatic vessel and venous invasionZEMLER, Barbara; MAY, Andrea; ELL, Christian et al.Virchows Archiv. 2010, Vol 456, Num 6, pp 609-614, issn 0945-6317, 6 p.Article

Diagnostic and therapeutic yield of push-and-pull enteroscopy for symptomatic small bowel Crohn's disease stricturesPOHL, Jürgen; MAY, Andrea; NACHBAR, Lars et al.European journal of gastroenterology & hepatology. 2007, Vol 19, Num 7, pp 529-534, issn 0954-691X, 6 p.Article

Push-and-pull enteroscopy using the double-balloon technique (double-balloon enteroscopy) for the diagnosis of meckel's diverticulum in adult patients with GI bleeding of obscure originMANNER, Hendrik; MAY, Andrea; NACHBAR, Lars et al.The American journal of gastroenterology. 2006, Vol 101, Num 5, pp 1152-1154, issn 0002-9270, 3 p.Article

Gastrointestinal bleeding in the elderlyLINGENFELSER, Thomas; ELL, Christian.Baillière's best practice & research. Clinical gastroenterology. 2001, Vol 15, Num 6, pp 963-982, issn 1521-6918Article

EUS-guided ethanol injection for treatment of a GI stromal tumorGÜNTER, Erwin; LINGENFELSER, Thomas; EITELBACH, Florian et al.Gastrointestinal endoscopy. 2003, Vol 57, Num 1, pp 113-115, issn 0016-5107, 3 p.Article

Prevalence of silent gastric ulcer, erosions or Severe acute gastritis in patients with type 2 diabetes mellitus: A cross-sectional studyBOEHME, Michael W. J; AUTSCHBACH, Frank; ELL, Christian et al.Hepato-gastroenterology. 2007, Vol 54, Num 74, pp 643-648, issn 0172-6390, 6 p.Article

Influence of patient selection on the outcome of capsule endoscopy in patients with chronic gastrointestinal bleedingMAY, Andrea; WARDAK, Ahad; NACHBAR, Lars et al.Journal of clinical gastroenterology. 2005, Vol 39, Num 8, pp 684-688, issn 0192-0790, 5 p.Article

The impact of endoscopic ultrasound and computed tomography on the TNM staging of early cancer in Barrett's esophagusPECH, Oliver; MAY, Andrea; GÜNTER, Erwin et al.The American journal of gastroenterology. 2006, Vol 101, Num 10, pp 2223-2229, issn 0002-9270, 7 p.Article

Incidence of Macroscopically Occult Neoplasias in Barrett's Esophagus: Are Random Biopsies Dispensable in the Era of Advanced Endoscopic Imaging?POHL, Juergen; PECH, Oliver; MAY, Andrea et al.The American journal of gastroenterology. 2010, Vol 105, Num 11, pp 2350-2356, issn 0002-9270, 7 p.Article

Cardiac rather than intestinal-type background in endoscopic resection specimens of minute Barrett adenocarcinomaTAKUBO, Kaiyo; AIDA, Junko; STOLTE, Manfred et al.Human pathology. 2009, Vol 40, Num 1, pp 65-74, issn 0046-8177, 10 p.Article

Randomized Trial of low-volume PEG Solution Versus sandard PEG + Electrolytes for bowel cleansing Before colonoscopyELL, Christian; FISCHBACH, Wolfgang; NAGELL, Waltraud et al.The American journal of gastroenterology. 2008, Vol 103, Num 4, pp 883-893, issn 0002-9270, 11 p.Article

The tissue effect of second generation argon plasma coagulation (VIO APC) in comparison to standard APC and Nd:YAG laser in vitroMANNER, Hendrik; MAY, Andrea; FAERBER, Michael et al.Acta gastro-enterologica belgica (English ed.). 2007, Vol 70, Num 4, pp 352-356, issn 1784-3227, 5 p.Article

Second-generation argon plasma coagulation : Two-center experience with 600 patientsMANNER, Hendrik; ENDERLE, Markus D; PECH, Oliver et al.Journal of gastroenterology and hepatology. 2008, Vol 23, Num 6, pp 872-878, issn 0815-9319, 7 p.Article

One-step chromoendoscopy and structure enhancement using balsamic vinegar for screening of Barrett's esophagusPECH, Oliver; PETRONE, Maria C; MANNER, Hendrik et al.Acta gastro-enterologica belgica (English ed.). 2008, Vol 71, Num 2, pp 243-245, issn 1784-3227, 3 p.Article

Curative endoscopic resection of early esophageal adenocarcinomas (Barrett's cancer)ELL, Christian; MAY, Andrea; PECH, Oliver et al.Gastrointestinal endoscopy. 2007, Vol 65, Num 1, pp 3-10, issn 0016-5107, 8 p.Article

Long-term results of photodynamic therapy with 5-aminolevulinic acid for superficial Barrett's cancer and high-grade intraepithelial neoplasiaPECH, Oliver; GOSSNER, Uebwin; MAY, Andrea et al.Gastrointestinal endoscopy. 2005, Vol 62, Num 1, pp 24-30, issn 0016-5107, 7 p.Article

A prospective randomized trial of two different endoscopic resection techniques for early stage cancer of the esophagusMAY, Andrea; GOSSNER, Liebwin; BEHRENS, Angelika et al.Gastrointestinal endoscopy. 2003, Vol 58, Num 2, pp 167-175, issn 0016-5107, 9 p.Conference Paper

Early stage adenocarcinoma of the esophagus arising in circular heterotopic gastric mucosa treated by endoscopic mucosal resectionPECH, Oliver; MAY, Andrea; GOSSNER, Liebwin et al.Gastrointestinal endoscopy. 2001, Vol 54, Num 5, pp 656-658, issn 0016-5107Article

Long-Term Outcome of Microscopic Esophagitis in Chronic GERD Patients Treated With Esomeprazole or Laparoscopic Antireflux Surgery in the LOTUS TrialFIOCCA, Roberto; MASTRACCI, Luca; ENGSTRÖM, Cecilia et al.The American journal of gastroenterology. 2010, Vol 105, Num 5, pp 1015-1023, issn 0002-9270, 9 p.Article