D. R. Gutiérrez-Rodríguez and C. A. Ulloa-Benitez, “Penicillin allergy test. Necessary or unnecessary?”, Salud y Bienestar, vol. 4, no. 2, pp. 37–40, Aug. 2020, doi: 10.26871/killcana_salud.v4i1.521.