M. Muzzammil, R. Kumar, M. S. Minhas, V. Kumar, S. Jahanzed, and A. Qadir, “Inadequate vitamin D level: association with low energy fractures of distal radius in young patients and its predictors in Karachi, Pakistan”, Int J Sci Rep, vol. 6, no. 1, pp. 25–30, Dec. 2019.