@article{teles_américo_oriá_vasconcelos_brüggemann_damasceno_2018,  title={Efficacy of an educational manual for childbirth companions: pilot study of a randomized clinical trial},  volume={26},  ISSN={0104-1169},  url={https://doi.org/10.1590/1518-8345.2277.2996},  DOI={10.1590/1518-8345.2277.2996},  journal={Revista Latino-Americana de Enfermagem},  publisher={Escola de Enfermagem de Ribeirão Preto / Universidade de São Paulo},  author={Teles, Liana Mara Rocha and Américo, Camila Félix and Oriá, Mônica Oliveira Batista and Vasconcelos, Camila Teixeira Moreira and Brüggemann, Odaléa Maria and Damasceno, Ana Kelve de Castro},  year={2018},  pages={e2996} }