Greek Remdesivir Cohort (GREC) Study: Effectiveness of Antiviral Drug Remdesivir in Hospitalized Patients with COVID-19 Pneumonia oleh Vasilis Petrakis, Vasiliki Rapti, Karolina Akinosoglou, Constantinos Bonelis, Kalomoira Athanasiou, Vasiliki Dimakopoulou, Nikolaos K. Syrigos, Nikolaos Spernovasilis, Grigoris Trypsianis, Markos Marangos, Charalambos Gogos, Dimitrios Papazoglou, Periklis Panagopoulos, Garyfallia Poulakou