@article{reis_miranda_chacra_1998,  title={Low levels of sex hormone-binding globulin and hyperproinsulinemia as markers of increased pancreatic ß-cell demand in men},  volume={31},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X1998001200006},  DOI={10.1590/S0100-879X1998001200006},  number={12},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Reis, A.F. and Miranda, W.L. and Chacra, A.R.},  year={1998},  month={Dec},  pages={1545–1551} }