Mihaylova, M., and B. Zhelezarova. 2026. “Cholestatic Drug-Induced Liver Injury in a Rheumatoid Arthritis Patient Receiving Leflunomide: A Clinical Case Report”. Acta Medica Bulgarica 53 (Suppl 1): 113-17. https://doi.org/10.2478/AMB-2026-0019.