Larsson, K., Lindh, E., Lind, L., Persson, I., & Ljunghall, S. (1989). Increased fracture risk in hypercalcemia: Bone mineral content measured in hyperparathyroidism. Acta Orthopaedica, 60(3), 268–270. https://doi.org/10.3109/17453678909149275