@article{oliveira_romanha_alves_viana_zani_2004, title={An improved HPLC method for the quantitation of 6-mercaptopurine and its metabolites in red blood cells}, volume={37}, ISSN={0100-879X}, url={https://doi.org/10.1590/S0100-879X2004000500004}, DOI={10.1590/S0100-879X2004000500004}, number={5}, journal={Brazilian Journal of Medical and Biological Research}, publisher={Associação Brasileira de Divulgação Científica}, author={Oliveira, B.M. and Romanha, A.J. and Alves, T.M.A. and Viana, M.B. and Zani, C.L.}, year={2004}, month={May}, pages={649–658} }