Kayral Ä°hsan E, Buzrul S. Forecasting of COVID-19 infections in E7 countries and proposing some policies based on the Stringency Index. J Popl Ther Clin Pharmacol [Internet]. 2020 Oct. 15 [cited 2024 Jul. 26];27(SP1):e76-e84. Available from: https://jptcp.com/index.php/jptcp/article/view/757