@article{ferreira_piccioni_queiroz_silva_vale_2018,  title={Influence of grandmothers on exclusive breastfeeding: cross-sectional study},  volume={16},  ISSN={1679-4508},  url={https://doi.org/10.31744/einstein_journal/2018AO4293},  DOI={10.31744/einstein_journal/2018AO4293},  number={4},  journal={einstein (São Paulo)},  publisher={Instituto Israelita de Ensino e Pesquisa Albert Einstein},  author={Ferreira, Thelen Daiana Mendonça and Piccioni, Luciana Dantas and Queiroz, Patricia Helena Breno and Silva, Eliete Maria and Vale, Ianê Nogueira do},  year={2018},  pages={eAO4293} }