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Sipleman nitrisyonèl nan espò ak egzèsis, ki te modifye pa Mike Greenwood, Matye B. Cooke, Tim Ziegenfuss, Douglas S. Klman, Jose Antonio, paj 13
eng
Nutritional Supplements in Sports and Exercise, edited by Mike Greenwood, Matthew B. Cooke, Tim Ziegenfuss, Douglas S. Klman, Jose Antonio, page 13