Medicine & Science in Sports & Exercise · 2006 · 202 citations · 26 references
This study revealed that acute caffeine ingestion can significantly enhance performance of prolonged, intermittent-sprint ability in competitive, male, team-sport athletes.
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Influence of caffeine and carbohydrate feedings on endurance performance.
J. L. Ivy, D. L. Costill, W. J. Fink et al. · PubMed · 1979 · 337 citations