Międzybrodzka, Anna, Aleksandra Kawczyk-Krupka, David Aebisher, Grzegorz Cieślar, and Zenon Paweł Czuba. “Effect of Photodynamic Therapy With Hypericin on the Secretion of Selected Cytokines of Colorectal Cancer Cells Tested in Vitro”. European Journal of Clinical and Experimental Medicine 21, no. 2 (June 30, 2023): 194–201. Accessed December 28, 2025. https://journals.ur.edu.pl/ejcem/article/view/12011.