Umbreen Aslam, Muhammad Kashif Bashir, Nosheen Zafar, Niamat Ali, Shazia Siddique, Nida Basheer. (2022). Comparison of Gastrointestinal Symptoms and Disease Severity in COVID-19 Patients. Pakistan Journal of Medical & Health Sciences, 16(05), 303. https://doi.org/10.53350/pjmhs22165303