Vargas García, A.R. (2012) “Most frequent diseases in newborns of the kangaroo program of Clínica Universitaria Bolivariana in Medellin from June to December 2009”, Medicina UPB, 31(1), pp. 11–18. Available at: https://revistas.upb.edu.co/index.php/medicina/article/view/1737 (Accessed: 10 August 2026).