Zsa Zsa Weerts

Efficacy and safety of peppermint oil in IBS 163 7 45. Lovell R, Ford A. Global prevalence of and risk factors for irritable bowel syndrome: a meta- analysis. Clin Gastroenterol Hepatol 2012;10:712-721 e714. 46. Ballou S, Kaptchuk T, Hirsch W, et al. Open- label versus double-blind placebo treatment in irritable bowel syndrome: study protocol for a randomized controlled trial. Trials 2017:18:234.