Vargas, Carolina, Wilmar Saldarriaga, Harry Mauricio Pachajoa, and Carolina Isaza. “Williams-Beuren Syndrome: Report of Two Cases With Molecular Diagnosis”. Colombia Medica 42, no. 4 (November 24, 2011): 523–528. Accessed December 7, 2025. http://colombiamedica.univalle.edu.co/index.php/comedica/article/view/954.