Effects of hydration state on plasma testosterone, cortisol and cathecolamine concentrations before and during mild exercise at elevated temperature. - Hoffman,J.R.; Maresch,C.M.; Armstrong,L.E.; Gabaree,C.L.; Bergeron,M.F.; Kenefick,R.W.; Castellani,J.W.; Ahlquist,L.E.; Ward,A. (Eur J Appl Physiol, 1994)