Patrikov, K. and Ivanov, Y. 2023. Osteoid-osteoma and osteoblastoma with rare localization – presentation of 4 clinical cases. THE JOURNAL OF THE BULGARIAN ORTHOPAEDICS AND TRAUMA ASSOCIATION. 60, 02 (Sep. 2023), 89–96. DOI:https://doi.org/10.58542/jbota.v60i02.89.