Restrepo Valencia CA, Aguirre Arango JV. Vitamin D (25 ( OH) D ) in patients with chronic kidney disease stages 2-5. Colomb Med [Internet]. 2016 Sep. 30 [cited 2025 Nov. 25];47(3):160-66. Available from: http://colombiamedica.univalle.edu.co/index.php/comedica/article/view/2148