Quintero-Castellanos, José Manuel, Ángela Hernández, and Tania Parra. “Pain Prevalence in Infants and Preschool Children in a Colombian Hospital ”. Colombian Journal of Anesthesiology 50, no. 1 (September 2, 2021). Accessed March 28, 2024. https://www.revcolanest.com.co/index.php/rca/article/view/1000.