@article{meyer_laitano_bar-or_mcdougall_heigenhauser_2007,  title={Effect of age and gender on sweat lactate and ammonia concentrations during exercise in the heat},  volume={40},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X2006005000044},  DOI={10.1590/S0100-879X2006005000044},  number={1},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Meyer, F. and Laitano, O. and Bar-Or, O. and McDougall, D. and Heigenhauser, G.J.F.},  year={2007},  month={Jan},  pages={135–143} }