Combination regimen of nirmatrelvir/ritonavir and molnupiravir for the treatment of persistent SARS-CoV-2 infection: A case report and a scoping review of the literature oleh Davide Marangoni, Roberta Maria Antonello, Marco Coppi, Marianna Palazzo, Luca Nassi, Noemi Streva, Laura Povolo, Francesca Malentacchi, Lorenzo Zammarchi, Gian Maria Rossolini, Alessandro Maria Vannucchi, Alessandro Bartoloni, Michele Spinicci