García-Giraldo, A. M., Vargas-Uricoechea, H., Potosí-García, J. A., & Santiago-Ausecha, D. R. (2021). Prevalence of low levels of Vitamin D in patients with osteopenia and osteoporosis. Popayán, Colombia. Universidad Y Salud, 23(3), 248–254. https://doi.org/10.22267/rus.212303.238