Sara, Karabalaeifar, Hefzollesan Mehrdad, Behpoor Naser, and Ghalehgir Sohrab. 2013. “EFFECT OF CAFFEINE ON THE AMOUNT OF PERCEIVED PAIN, JOINT RANGE OF MOTION AND EDEMA AFTER DELAYED MUSCLE SORENESS”. Pedagogics, Psychology, Medical-Biological Problems of Physical Training and Sports 17 (1):96-100. https://www.sportpedagogy.org.ua/index.php/PPS/article/view/619.