A double-blind placebo-controlled randomized trial on probiotics in small bowel bacterial overgrowth in children treated with omeprazole Abstract Objective: To evaluate the incidence of small bowel bacterial overgrowth (SBBO) in children treated with omeprazole, and to test whether probiotics influence the incidence. Methods: A double-blinded, placebo-controlled trial was performed in 70 children treated orally during...