Exercise training increases GLUT-4 protein concentration in previously sedentary middle-aged men. - Houmard,J.A.; Shinebarger,M.H.; Dolan,P.L.; Leggett-Frazier,N.; Bruner,R.K.; McCammon,M.R.; Israel,R.G.; Dohm,G.L. (Am J Physiol, 1993)