Mohammed Flaih Alotaibi, Nabih Nasser Alotaibi, Fahad Saed Alrabie, Ahmed Yahya alwadani, Ibrahim Mohammed Alharbi, Adel ali masoud alomari, Murad Abdullah Algarni, Ziyad Safar Alotiabi, Meshal Faisal ayed and Abdulnasser slyim ali alharthi 2022. EFFICACY OF HYDROXYCHLOROQUINE OR CHLOROQUINE AS ANTI-COVID-19; A SYSTEMATIC REVIEW. Journal of Population Therapeutics and Clinical Pharmacology. 29, 04 (Dec. 2022), 2552–2563. DOI:https://doi.org/10.53555/jptcp.v29i04.5488.