González, Michael J., Carlos M. Ricart, and Jorge Miranda-Massari. “A Vitamin, Mineral, Herb Dietary Supplement Effect on Blood Glucose in Uncontrolled Type II Diabetic Subjects”. Puerto Rico Health Sciences Journal 23, no. 2 (June 1, 2004). Accessed November 18, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/470.