@misc{indiciaebbe25f4840d5, title = {Esophageal dilator; a simple method for threading.}, author = {H H SIROTA and V P SHEPPARD}, year = {1956}, doi = {10.1001/archotol.1956.03830080096022}, url = {https://pubmed.ncbi.nlm.nih.gov/13282573/}, note = {Source identifier: 13282573} }