Bartzatt, Ronald. “Advanced Study on Assay of Quinine Utilizing Isocratic HPLC Solvent Conditions and Feasibility of Assay from Human Urine”. Current Advances in Chemistry and Biochemistry Vol. 1 (February 10, 2021): 138–145. Accessed June 14, 2026. https://stm.bookpi.org/CACB-V1/article/view/122.