@article{mandavdhare_samanta_jafra_singh_gupta_dutta_2022,  title={OUTCOME OF PER ORAL ENDOSCOPIC MYOTOMY (POEM) IN SIGMOID ACHALASIA AT A MEDIAN FOLLOW UP OF 17 MONTHS},  volume={59},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-2803.202204000-85},  DOI={10.1590/S0004-2803.202204000-85},  number={4},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={MANDAVDHARE, Harshal S and SAMANTA, Jayanta and JAFRA, Anudeep and SINGH, Harjeet and GUPTA, Pankaj and DUTTA, Usha},  year={2022},  month={Oct},  pages={478–482} }