@article{article05fec50d,
title   = {Prognostic value of tumor regression grade based on ryan score in squamous cell carcinoma and adenocarcinoma of esophagus},
author = {Takeda, Flavio Roberto and Tustumi, Francisco and Obregon, Carlos de Almeida and Yogolare, Gustavo Goncalves and Navarro, Yasmin Peres and Segatelli, Vanderlei and Sallum, Rubens Antonio Aissar and Ribeiro Junior, Ulysses and Cecconello, Ivan},
year = {2020},
doi = {10.1245/s10434-019-07967-8},
journal   = {Annals of surgical oncology}
}