Roman, A., Wardęcki, S. M., Zajączkowska, J., Marzec, N., Domańska, N., Galińska, D., Krupa, N., Marzec, A., Cherek, M., & Praska, W. (2026). CONTEXT-DEPENDENT EFFECTS OF VITAMIN D SUPPLEMENTATION ON BONE MINERAL DENSITY AND FRACTURE RISK: A NARRATIVE REVIEW ACROSS CLINICAL AND ATHLETIC POPULATIONS. International Journal of Innovative Technologies in Social Science, 4(2(50). https://doi.org/10.31435/ijitss.2(50).2026.5942