@article{teixeira_cortellazzi_grotto_2003,  title={Effect of hydroxyurea on G gamma chain fetal hemoglobin synthesis by sickle-cell disease patients},  volume={36},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X2003001000002},  DOI={10.1590/S0100-879X2003001000002},  number={10},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Teixeira, S.M. and Cortellazzi, L.C. and Grotto, H.Z.W.},  year={2003},  month={Oct},  pages={1289–1292} }