Lucero Guerrero, E. F., S. M. Albarracín, and J. J. Rodulfo Molina. “Clinical-Epidemiological Characteristics of Patients With Ulcers in the Lower Extremities”. Journal of the University of Zulia , Vol. 15, no. 43, Apr. 2024, pp. 9-26, doi:10.46925//rdluz.43.02.