Siwiec, Anna, and Bogusław T. Marczak. “Porphyria - Known Disease - Undiagnosed. 25 Years Old Patient With Glomerulonephritis and the First Attack of Porphyria –clinical Case”. European Journal of Clinical and Experimental Medicine 7, no. 4 (December 30, 2009): 424–427. Accessed June 9, 2026. https://journals.ur.edu.pl/ejcem/article/view/13144.