Stoilov R, Boyadzhieva V, Ivanova M, Stoilov N. State of rheumatology in the Republic of Bulgaria for the period 2019 – 2023. Rheumatol Bul [Internet]. 2024 Dec. 5 [cited 2026 Oct. 16];32(1):57-71. Available from: https://rheumatologybg.org/journal/rbj/article/view/43