(1)
Cuadra, T. E.; Guadrón Meléndez, A. A.; Cruz Aguilar, R. de J.; Vásquez Rodriguez, E. A. Relevant Factors of the RT-PCR Assay for the Detection of SARS-CoV-2, Etiologic Agent of COVID-19. Alerta (San Salvador) 2021, 4, 31-39.