E. J. Petracchi, S. E. Olivieri, J. I. Guatelli, M. A. Ramburger, M. J. Ymaz, and M. C. du Plessis, “Usefulness of a color-coded scale for categorizing patients in a surgical ward”, Rev Argent Cir, vol. 117, no. 4, pp. 1–5, Dec. 2025.