Gutiérrez-Rodríguez, D.R. and Ulloa-Benitez, C.A. 2020. Penicillin allergy test. Necessary or unnecessary? Killkana Salud y Bienestar. 4, 2 (Aug. 2020), 37–40. DOI:https://doi.org/10.26871/killcana_salud.v4i1.521.