Randomised clinical trial: Bifidobacterium lactis NCC2818 probiotic vs placebo, and impact on gut transit time, symptoms, and gut microbiology in chronic constipation
Dimidi E, Zdanaviciene A, Christodoulides S, Taheri S, Louis L, Duncan PI, Emami N, Crabbé R, De Castro CA, McLean P, Bergonzelli GE, Whelan K, Scott SM. Aliment Pharmacol Ther. 2019;49:251–264