@article{mamede_almeida_souza_mamede_2007,  title={Pain during the labor active phase: the effect of walking},  volume={15},  ISSN={0104-1169},  url={https://doi.org/10.1590/S0104-11692007000600016},  DOI={10.1590/S0104-11692007000600016},  number={6},  journal={Revista Latino-Americana de Enfermagem},  publisher={Escola de Enfermagem de Ribeirão Preto / Universidade de São Paulo},  author={Mamede, Fabiana Villela and Almeida, Ana Maria de and Souza, Luiz de and Mamede, Marli Villela},  year={2007},  month={Nov},  pages={1157–1162} }