7Sobal, J&Marquart, L. M. Vitamin/mineral supplement use a mong high school athletes[J]. Adolescent, 1994,29:835-843.
8Felig P, Cherif A, Minagawa A, Wahren J. Hypoglycemia during prolonged exercise in normal men[J]. N Engl J Med, 1982,306(15) : 895 - 900.
9Sherman WM, Costill DL. The marathon: dietary manipulation to optimize performance[ J]. Am J Sports Med, 1984,12(1):44- 51.
10Fielding RA, Costill DL, Fink WJ, King DS, Hargreaves M, Kovaleski JE. Effect of carbohydrate feeding frequencies and dosage on muscle glycogen use during exercise [J]. Med Sci Sports Exerc, 1985,17(4) :472 - 6.