Ramphaiboon, P., N. Chairat, P. Wamontree, and V. Buttagat. “C09. Effect of Court-Type Thai Traditional Massage Versus Cassia alata Linn. Treatment on Chronic Constipation: A Randomized Controlled Trial”. Journal of Health Science and Alternative Medicine, July 2022, pp. 104-8, https://he01.tci-thaijo.org/index.php/jhealthscialternmed/article/view/257746.