TY - GEN AU - Mendelson,R M TI - The role of endoscopic ultrasonography in the upper gastrointestinal tract: a review with illustrative cases SN - 0004-8461 PY - 1994///0113 KW - Digestive System KW - diagnostic imaging KW - Endoscopy, Gastrointestinal KW - Gastrointestinal Diseases KW - Humans KW - Ultrasonography N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1111/j.1440-1673.1993.tb00094.x ER -