Parvova, Iva, A. Rangelov, E. Hristov, Rasho Rashkov, I. Getov, and S. Ognianov. “PROSPECTIVE STUDY OF ADVERSE DRUG REACTIONS IN A BULGARIAN POPULATION OF PATIENTS WITH INFLAMMATORY JOINT DISEASES TREATED WITH BIOLOGICAL MEDICINAL PRODUCTS”. Rheumatology (Bulgaria) 28, no. 1 (March 24, 2020): 3-19. Accessed April 1, 2023. http://www.rheumatologybg.org/journal/index.php?journal=revmatologiia&page=article&op=view&path[]=76.