K. . Banegas Carballo, M. . Grande Vides, J. . Martínez Sierra, K. E. Erazo, and R. M. Martínez López, “Proportion of opportunistic infections and risk factors associated with its appearance in patients with HIV”, Rev. Cient. Esc. Univ. Cienc. Salud, vol. 9, no. 1, pp. 16–27, Jun. 2022.