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2. Muscle ATP turnover rate during isometric contraction in humans;Katz;J Appl Physiol,1986
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4. Normal reference values for creatine, creatinine, and carnitine are lower in vegetarians;Delanghe;Clin Chem,1989
5. Elevation of creatine in resting and exercised muscle of normal subjects by creatine supplementation;Harris;Clin Sci,1992