Murphy, Grace R., Dunstan, R. Hugh, Macdonald, Margaret M., Borges, Nattai, Radford, Zoe, Sparkes, Diane L., Dascombe, Benjamin J., Roberts, Timothy K.. Public Library of Science (PLoS); 2019. Relationships between electrolyte and amino acid compositions in sweat during exercise suggest a role for amino acids and K+ in reabsorption of Na+ and Cl- from sweat.