Dose-dependent effect of caffeine supplementation on judo-specific performance and training activity: a randomized placebo-controlled crossover trial.
Krzysztof Durkalec-MichalskiPaulina M NowaczykNatalia GłówkaAleksandra GrygielPublished in: Journal of the International Society of Sports Nutrition (2019)
Clinical Trials Gov, NCT03822663 . Registered 28 January 2019 - Retrospectively registered.