Y. Niwa

No ORCID on file · 1 paper in corpus
diagnostic-accuracy 1997
Gastrointestinal endoscopy ·doi:10.1016/s0016-5107(97)70032-4

BACKGROUND: Although reports of colorectal submucosal tumors have increased since the development of endoscopic examinations, precise diagnosis of these lesions remains difficult. In this study, we evaluated the usefulness of endoscopic ult…