TY - RPRT TI - Upper esophageal stenosis: two case reports. AU - S K Lee AU - Y L Suh AU - W Y Lee AU - H H Kim PY - 1997 DO - 10.1016/s0022-3468(97)90661-8 UR - https://pubmed.ncbi.nlm.nih.gov/9200107/ ID - 9200107 ER -