First Results of an External Quality Assessment (EQA) Scheme for Molecular, Serological and Antigenic Diagnostic Test for SARS-CoV-2 Detection in Lombardy Region (Northern Italy),... oleh Fabio Pasotti, Laura Pellegrinelli, Giuseppa Liga, Manuela Rizzetto, Giovanna Azzarà, Simona Da Molin, Oana Livia Lungu, Silvia Greco, Cristina Galli, Laura Bubba, Elena Pariani, Matteo Corradin, Danilo Cereda, Sabrina Buoro