TY - RPRT TI - In vitro screening of anti-viral and virucidal effects against SARS-CoV-2 by Hypericum perforatum and Echinacea. AU - Bajrai, L. H. AU - El-kafrawy, S. A. AU - Alnahas, R. S. AU - Azhar, E. I. PY - 2021 DO - 10.1101/2021.01.11.426295 UR - https://www.biorxiv.org/content/10.1101/2021.01.11.426295v1 ID - 10.1101/2021.01.11.426295 ER -