The physiological and health effects of oral creatine supplementation. - Terjung,R.L.; Clarkson,P.M.; Eichner,E.R.; Greenhaff,P.L.; Hespel,P.; Israel,R.G.; Kraemer,W.J.; Meyer,R.A.; Spriet,L.L.; Tarnopolsky,M.A.; Wagenmakers,A.JM.; Williams,M.H. (Med Sci Sports Exerc, 2000)