@article{redins_redins_novaes_2002,  title={The effects of treatment with melatonin on the ultrastructure of mouse leydig cells: a quantitative study},  volume={62},  ISSN={1519-6984},  url={https://doi.org/10.1590/S1519-69842002000300017},  DOI={10.1590/S1519-69842002000300017},  number={3},  journal={Brazilian Journal of Biology},  publisher={Instituto Internacional de Ecologia},  author={REDINS, C. A. and REDINS, G. M. and NOVAES, J. C.},  year={2002},  month={Aug},  pages={517–523} }