@misc{indiciaea06d4b26a017, title = {Schatzki ring, statistically reexamined.}, author = {John C Pezzullo and Ann M Lewicki}, year = {2003}, doi = {10.1148/radiol.2283021162}, url = {https://pubmed.ncbi.nlm.nih.gov/12869689/}, note = {Source identifier: 12869689} }