@article{ferreira_pinto_1997,  title={Factors associated with the development of renal complications of diabetes mellitus in São Paulo city},  volume={30},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X1997000600006},  DOI={10.1590/S0100-879X1997000600006},  number={6},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Ferreira, S.R.G. and Pinto, F.M.},  year={1997},  month={Jun},  pages={735–744} }