Bezgin, Sabiha, et al. “An Investigation of the Effects of Abdominal Massage on the Severity of Functional Constipation in Preschool Children and the Quality of Life of Their Mothers: A Randomized Controlled Study”. Journal of Social and Analytical Health, vol. 3, no. 1, Feb. 2023, pp. 69-76, doi:10.5281/zenodo.7642774.