Variant-Related Differences in Laboratory Biomarkers among Patients Affected with Alpha, Delta and Omicron: A Retrospective Whole Viral Genome Sequencing and Hospital-Setting Cohor... oleh Georgios Meletis, Areti Tychala, Georgios Ntritsos, Eleni Verrou, Filio Savvidou, Iasonas Dermitzakis, Anastasia Chatzidimitriou, Ioanna Gkeka, Barbara Fyntanidou, Sofia Gkarmiri, Alexandros T. Tzallas, Efthymia Protonotariou, Kali Makedou, Dimitrios G. Tsalikakis, Lemonia Skoura