Al-Makki, Akram, Kaitlin Frost, Sang-A Yun, Brian Overholser, and Brian Shepler. 2019. “Ergocalciferol Versus Cholecalciferol in Non-Dialysis Dependent Chronic Kidney Disease Patients: A Small Retrospective Cohort Study”. Journal of Pharmacy & Pharmaceutical Sciences 22 (1):593-98. https://doi.org/10.18433/jpps30581.