Parvathi Easwaran, P., N. Kalpana, and S. Uma Mageswari. 1992. “Consumption Pattern of Five Under-Exploited Greens and the Therapeutic Uses of ‘Tree Lettuce’ on Selected Non-Insulin Dependent Diabetics and Hypertensives”. The Indian Journal of Nutrition and Dietetics 29 (1):1-6. https://www.informaticsjournals.com/index.php/ijnd/article/view/8271.