Alqahtani, M. H. ., D. E. . Heck, and H. D. . Kim. “The Impact of COVID-19 Threats, and Preventive Chain of Action: Molecule to Medicine”. GSC Biological and Pharmaceutical Sciences, vol. 17, no. 3, Dec. 2021, pp. 119-23, doi:10.30574/gscbps.2021.17.3.0232.