@article{martinez_lima_silva_duarte_novo_silva_pinto_maia_2015,  title={Clinical, endoscopic and manometric features of the primary motor disorders of the esophagus},  volume={28},  ISSN={0102-6720},  url={https://doi.org/10.1590/S0102-67202015000100009},  DOI={10.1590/S0102-67202015000100009},  number={1},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  author={MARTINEZ, Júlio César and LIMA, Gustavo Rosa de Almeida and SILVA, Diego Henrique and DUARTE, Alexandre Ferreira and NOVO, Neil Ferreira and SILVA, Ernesto Carlos da and PINTO, Pérsio Campos Correia and MAIA, Alexandre Moreira},  year={2015},  pages={32–35} }