@article{nakamura_sass_elito júnior_petricelli_alexandre_araujo júnior_zanetti_2014,  title={Parturient perineal distensibility tolerance assessed by EPI-NO: an observational study},  volume={12},  ISSN={1679-4508},  url={https://doi.org/10.1590/S1679-45082014AO2944},  DOI={10.1590/S1679-45082014AO2944},  number={1},  journal={einstein (São Paulo)},  publisher={Instituto Israelita de Ensino e Pesquisa Albert Einstein},  author={Nakamura, Mary Uchiyama and Sass, Nelson and Elito Júnior, Julio and Petricelli, Carla Dellabarba and Alexandre, Sandra Maria and Araujo Júnior, Edward and Zanetti, Miriam Raquel Diniz},  year={2014},  month={Jan},  pages={22–26} }