Ćirković, M.; Božić, K. .; Petronijević, N. .; Nikolić, T. . Correlation Between Suboptimal Vitamin D Concentration and Secondary Hyperparathyroidism in Women With Low-Energy Fractures. Vojnosanit Pregl 2021, 78 (2). https://doi.org/10.2298/VSP190208054C.