Ortega Checa, David, Carlos Tuppia García Godos, and Oswaldo Salaverry García. “Dr. Guillermo Gastañeta Espinoza 1874 - 1958”. ACTA MEDICA PERUANA 24, no. 1 (March 31, 2007): 67 - 69. Accessed April 18, 2025. http://54.39.98.165/index.php/AMP/article/view/1245.