Campos , K. R. .; Sacchi , C. T. .; Gonçalves, C. R. .; Pagnoca , Érica V. R. G. .; Dias , A. dos S. .; Fukasawa, L. O.; Caterino-de-Araujo , A. . COVID-19 Laboratory Diagnosis: Comparative Analysis of Different RNA Extraction Methods for SARS-CoV-2 Detection by Two Amplification Protocols. Rev. Inst. Med. Trop. São Paulo 2021, 63, e52. https://doi.org/10.1590/S1678-9946202163052 .