Search results for: Hans Lippert
Gastrointestinal Endoscopy > 2005 > 61 > 7 > 891-896
Gastrointestinal Endoscopy > 2000 > 51 > 1 > 73-76
Gastrointestinal Endoscopy > 2005 > 61 > 7 > 891-896
Gastrointestinal Endoscopy > 2000 > 51 > 1 > 73-76