Buszman, Ewa, Dorota Wrześniok, Tomasz Hryniewicz, and Magdalena Grzegorczyk. 2009. “Effect of Cu2+and Zn2+ Ions on Quinidine, Disopyramideand Metoprolol Interaction With Melanin in Vitro”. Current Issues in Pharmacy and Medical Sciences 22 (4): 75-80. https://czasopisma.umlub.pl/curipms/article/view/2823.