Shokat, Aamir, Shokat Ali Bohra, Jitesh Aggarwal, and Mahendra Kumar Bainara. “ Observational Study”. International Journal of Health and Clinical Research 4, no. 4 (February 28, 2021): 178–181. Accessed July 4, 2024. https://ijhcr.com/index.php/ijhcr/article/view/1000.