TY - RPRT TI - Structural Insights of SARS-CoV-2 Spike Protein from Delta and Omicron Variants AU - Sadek, A. AU - Zaha, D. AU - Ahmed, M. S. PY - 2021 DO - 10.1101/2021.12.08.471777 UR - https://www.biorxiv.org/content/10.1101/2021.12.08.471777v1 ID - 10.1101/2021.12.08.471777 ER -