Jordana K. Schmier, Vanessa Perez, Susan Cloran, Carolyn Hulme-Lowe, and Kathryn O’Sullivan, “Cost Savings of Reduced Constipation Rates Attributed to Increased Dietary Fibre Intakes in Europe: A Decision-Analytic Model ”, J. Pharm. Nutr. Sci., vol. 5, no. 1, pp. 14–23, Jan. 2015.