Viswa S, Sivasakthi K, Velsreeya Raj R, Tamil Selvan S. Psychological impact of COVID-19 lockdown on mental health and behaviour. World J Pharm Sci [Internet]. 2021 Jul. 2 [cited 2024 Dec. 23];9(7):6-12. Available from: https://wjpsonline.com/index.php/wjps/article/view/129