Classen, M Burning issues in gastrointestinal endoscopy at the start of the new millennium [correction of millenium]. [electronic resource] - Endoscopy Jan 2003 - 2-8 p. digital Publication Type: Journal Article; Review ISSN: 0013-726X Standard No.: 10.1055/s-2003-36417 doi Subjects--Topical Terms: Barrett Esophagus--diagnosisColonoscopyColorectal Neoplasms--diagnosisEndoscopy, Gastrointestinal--trendsEndosonographyHumansStomach Neoplasms--diagnosis