“…Propranolol significantly reduced a composite pain index but did not decrease other clinical and experimental pain ratings. , 23,26,33,36,39,41,50,53,56 13 as unclear 20,27,30,37,38,[48][49][50][51]54,55,59,61 and 20 as high risk of bias. 21,24,25,28,29,31,32,34,40,[42][43][44][45][46][47]52,57,58,60,62 The higher risk of bias was reporting bias.…”