@misc{indiciae2eee6b88422e, title = {Esophageal sarcomas.}, author = {S J Perch and E M Soffen and R Whittington and J J Brooks}, year = {1991}, doi = {10.1002/jso.2930480311}, url = {https://pubmed.ncbi.nlm.nih.gov/1658495/}, note = {Source identifier: 1658495} }