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Kaastra B, Manders RJ, Van Breda E, Kies A, Jeukendrup AE, Keizer HA, Kuipers H, Van Loon LJ.Kaastra B, et al. Among authors: jeukendrup ae.Med Sci Sports Exerc. 2006 Feb;38(2):268-75. doi: 10.1249/01.mss.0000183875.86476.bd.Med Sci Sports Exerc. 2006.PMID: 16531895Clinical Trial.