Drobotun, O., Ternovy М. and Kolotilov М. 2023. SERUM VITAMIN D IN PATIENTS WITH BENIGN, PRIMARY MALIGNANT AND METASTATIC BONE TUMORS. ORTHOPAEDICS TRAUMATOLOGY and PROSTHETICS. 2 (Sep. 2023), 50–55. DOI:https://doi.org/10.15674/0030-59872023250-55.