@article{santos_francisco_lukasova_2021,  title={Expressive and receptive vocabulary in preschool children and socioeconomic factors},  volume={23},  ISSN={1516-1846},  url={https://doi.org/10.1590/1982-0216/20212365921},  DOI={10.1590/1982-0216/20212365921},  number={6},  journal={Revista CEFAC},  publisher={ABRAMO Associação Brasileira de Motricidade Orofacial},  author={Santos, Raoni da Silva and Francisco, Guilherme CP and Lukasova, Katerina},  year={2021},  pages={e5921} }