García-Giraldo, Ana María, Hernando Vargas-Uricoechea, Jorge Andrés Potosí-García, and Daniel Ricardo Santiago-Ausecha. “Prevalence of Low Levels of Vitamin D in Patients With Osteopenia and Osteoporosis. Popayán, Colombia”. Universidad y Salud 23, no. 3 (September 1, 2021): 248–254. Accessed April 15, 2026. https://revistas2.udenar.edu.co/index.php/usalud/article/view/5512.