Mújica, Oscar J, and Luis Suárez-Ognio. “True Positivity, False Negativity and Diagnostic Omission of SARS-CoV-2 Infection in Peru”. Revista Peruana de Medicina Experimental y Salud Pública 37, no. 4 (November 5, 2020): 779–80. Accessed October 12, 2024. https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/6205.