@article{laurino-neto_herbella_schlottmann_patti_2018,  title={EVALUATION OF ESOPHAGEAL ACHALASIA: FROM SYMPTOMS TO THE CHICAGO CLASSIFICATION},  volume={31},  ISSN={0102-6720},  url={https://doi.org/10.1590/0102-672020180001e1376},  DOI={10.1590/0102-672020180001e1376},  number={2},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  author={LAURINO-NETO, Rafael Melillo and HERBELLA, Fernando and SCHLOTTMANN, Francisco and PATTI, Marco},  year={2018},  pages={e1376} }