Safety and tolerability of Lactobacillus reuteri DSM 17938 and effects on biomarkers in healthy adults: results from a randomized masked trial. oleh Nisha Mangalat, Yuying Liu, Nicole Y Fatheree, Michael J Ferris, Melissa R Van Arsdall, Zhongxue Chen, Mohammad H Rahbar, Wallace A Gleason, Johana Norori, Dat Q Tran, J Marc Rhoads