Riccò, M.; Ranzieri, S.; Peruzzi, S.; Valente, M.; Marchesi, F.; Balzarini, F.; Bragazzi, N. L.; Signorelli, C. RT-QPCR Assays Based on Saliva Rather Than on Nasopharyngeal Swabs Are Possible But Should Be Interpreted With Caution: Results from a Systematic Review and Meta-analysis.: Diagnosis of SARS-CoV-2 through Salivary Fluids. Acta Bio Med 2020, 91, e2020025.