@misc{indiciaeb67fcc9b88b0, title = {[Endoscopic study using a superthin endoscope in benign esophageal strictures].}, author = {Iu I Gallinger and A L Andreev and R R Guliev}, year = {1990}, url = {https://pubmed.ncbi.nlm.nih.gov/2261263/}, note = {Source identifier: 2261263} }