@article{cavallari-drey_ortiz-llorens_2024,  title={Vertical posture and perineal tears in humanized childbirths},  volume={24},  ISSN={1519-3829},  url={https://doi.org/10.1590/1806-9304202400000244-en},  DOI={10.1590/1806-9304202400000244-en},  journal={Revista Brasileira de Saúde Materno Infantil},  publisher={Instituto de Medicina Integral Prof. Fernando Figueira},  author={Cavallari-Drey, Yazmín Estefanía and Ortiz-Llorens, Manuel},  year={2024},  pages={e20230244} }