“…Gastrointestinal adverse reactions were reported in 61 studies. Of these, 10 studies were randomized controlled trials 16, 30, 33, 55, 57, 59, 67, 79, 93, 95 , 49 were cohort studies 2, 4, 7, 9, 18, 19, 23, 25– 27, 29, 35, 38– 43, 45, 46, 48, 50– 54, 58, 60, 66, 68, 69, 71, 73, 83, 85– 88, 90, 94, 97, 98, 101, 104, 105, 112, 113, 115, 118 , and 2 were case series 84, 109 . Most studies reported the number of patients experiencing an adverse reaction ( Table 1).…”