The effects of pre-exercise co-ingestion of caffeinated gum and carbohydrate gel on functional threshold power and physiological-perceptual responses in youth road cyclists. - KARGIN, ZEHRA; ABDİOĞLU, MEKKİ; MOR, HAKKI; ARSLANOĞLU, ERKAL; OKUR, SELİM; MOR, AHMET (Journal of Physical Education & Sport, 2025)