@article{mourão-júnior_sá_guedes_dib_2006,  title={Effects of metformin on the glycemic control, lipid profile, and arterial blood pressure of type 2 diabetic patients with metabolic syndrome already on insulin},  volume={39},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X2006000400009},  DOI={10.1590/S0100-879X2006000400009},  number={4},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Mourão-Júnior, C.A. and Sá, J.R. and Guedes, O.M.S. and Dib, S.A.},  year={2006},  month={Apr},  pages={489–494} }