The Additional Value of Lower Respiratory Tract Sampling in the Diagnosis of COVID-19: A Real-Life Observational Study. - Morandi, Luca; Torsani, Francesca; Forini, Giacomo; Tamburrini, Mario; Carnevale, Aldo; Pecorelli, Anna; Giganti, Melchiore; Piattella, Marco; Guzzinati, Ippolito; Papi, Alberto; Contoli, Marco (Diagnostics (2075-4418), 2022)