Brocks, Dion, Raniah Q. Gabr, and Raj S. Padwal. “Determination of Metformin in Human Plasma and Urine by High-Performance Liquid Chromatography Using Small Sample Volume and Conventional Octadecyl Silane Column”. Journal of Pharmacy & Pharmaceutical Sciences 13, no. 4 (November 9, 2010): 486–494. Accessed February 5, 2023. https://journals.library.ualberta.ca/jpps/index.php/JPPS/article/view/9362.