Abdullah, Mohammad M.H., Collin L. Gyles, Christopher P.F. Marinangeli, Jared G. Carlberg, and Peter J.H. Jones. 2015. “Dietary Fibre Intakes and Reduction in Functional Constipation Rates Among Canadian Adults: A Cost-of-Illness Analysis”. Food & Nutrition Research 59 (December). https://doi.org/10.3402/fnr.v59.28646.