Valdivia A, Torres I, Huntley D, Alcaraz MJ, et al. Diagnostic significance of SARS-CoV-2 IgM positive/IgG negative antibody profile in symptomatic patients with suspected COVID-19 testing negative by RT-PCR. J Infect 2020 Aug 24. pii: S0163-4453(20)30568.
PMID: 32853600