Kostova, Tsvetelina, Valentina Mihaylova, Rositsa Karalilova, Zguro Batalov, Maria Kazakova, and Anastas Batalov. “Mitochondrial Dysfunction and Biological Therapy: A New Look at Rheumatoid Arthritis”. Rheumatology (Bulgaria) 30, no. 1 (April 9, 2022): 51-65. Accessed January 18, 2025. http://www.rheumatologybg.org/journal/index.php?journal=revmatologiia&page=article&op=view&path[]=110.