CIESIELKA, A. Singlet oxygen discovery. European Journal of Clinical and Experimental Medicine, [S. l.], v. 19, n. 4, p. 318–321, 2021. DOI: 10.15584/ejcem.2021.4.5. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/11916. Acesso em: 28 dec. 2025.