Optimization and Clinical Evaluation of a Multi-Target Loop-Mediated Isothermal Amplification Assay for the Detection of SARS-CoV-2 in Nasopharyngeal Samples oleh Foteini Roumani, Sarah Azinheiro, Hugo Sousa, Ana Sousa, Mafalda Timóteo, Tatiana Varandas, Daniela Fonseca-Silva, Inês Baldaque, Joana Carvalho, Marta Prado, Alejandro Garrido-Maestu