Mladenov, O., Blazheva, M., Gerchev, A., Kachakova-Yordanova, D., Kaneva, R., & Dikova, M. (2026). Early development of the first Bulgarian patient with Steel syndrome. Acta Medica Bulgarica, 53(2), 49-54. https://doi.org/10.2478/AMB-2026-0059