Uribe-Ríos, Alejandro, et al. “Sociodemographic Characteristics of Patients With Pressure Ulcers and Their Microbiological Profile. A Case Series”. Revista Colombiana De Ortopedia Y Traumatología, vol. 34, no. 1, May 2020, pp. 53-59, doi:10.1016/j.rccot.2020.04.009.