Naghma, Shahida, and Deepak Kumar. “Gastrointestinal Symptoms in COVID-19 Patients: A Case Series”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9, no. 9 (August 27, 2020): 3866–3869. Accessed December 4, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/8762.