Sodium balance, fluid homeostasis, and the renin-aldosterone system during the prolonged exercise of hill walking - Milledge,J.S.; Bryson,E.I.; Catley,D.M.; Hesp,R.; Luff,N.; Minty,B.D.; Older,M.WJ.; Payne,N.N.; Ward,M.P.; Withey,W.R. (Clin Sci, 1982)