Miller SL, Gaine PC, Maresh CM, Armstrong LE, Ebbeling CB, Lamont LS, Rodriguez NR. The effects of nutritional supplementation throughout an endurance run on leucine kinetics during recovery. Int J Sport Nutr Exerc Metab. 2007 Oct;17(5):456–67. doi: 10.1123/ijsnem.17.5.456. PMID: 18046055.