Rasheed , A.; Μalaika Νοοr; Usman Τ.; Rizwana Bilqees; Muhammad Afnan; Saira Gul; Khan, N. U.; Khattak, S.; Khattak , I.; Shah , A. A. Drugs Being Tested Against Covid-19 to Slow down Its Spread and Find Effective Treatment: A Systematic Review. Int. j. endorsing health sci. res. 2022, 10, 255-272.