@article{nomura_bastos_peres_2004,  title={Dental pain prevalence and association with dental caries and socioeconomic status in schoolchildren, Southern Brazil, 2002},  volume={18},  ISSN={1806-8324},  url={https://doi.org/10.1590/S1806-83242004000200008},  DOI={10.1590/S1806-83242004000200008},  number={2},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={Nomura, Lincon Hideo and Bastos, João Luiz Dornelles and Peres, Marco Aurélio},  year={2004},  month={Apr},  pages={134–140} }