TY - JOUR T1 - The effects of different doses of caffeine on performance, rating of perceived exertion and pain perception in teenagers female karate athletes JO - Brazilian Journal of Pharmaceutical Sciences A1 - Arazi, Hamid A1 - Hoseinihaji, Marzieh A1 - Eghbali, Ehsan SN - 1984-8250 UL - 10.1590/S1984-82502016000400012 VL - 52 Y1 - 2016 PB - Brasil ER -