Kamenova, Petya, and Georgi Kirilov. “Effects of Metformin on Body Weight Management and Markers of the Metabolic Syndrome in Persons With Normal Glucose Tolerance”. Proceedings of the Bulgarian Academy of Sciences 75, no. 7 (July 29, 2022): 1053–1062. Accessed March 26, 2023. https://proceedings.bas.bg/index.php/cr/article/view/123.