R. R. Gutiérrez-Juárez, M. T. Álvarez-Bañuelos, J. Morales-Romero, C. S. Ortiz-Chacha, and C. L. Sampieri-Ramírez, “Place of residence and poverty level as prognostic factors for prostate cancer survival in Veracruz, Mexico”, Rev Peru Med Exp Salud Publica, vol. 37, no. 3, pp. 423–30, Aug. 2020, doi: 10.17843/rpmesp.2020.373.4929.