PIZARRAS, Sara Jessica et al. Clinical Characteristics and Outcomes of COVID-19 Patients with Gastrointestinal Manifestations Seen in a Tertiary Hospital: A Retrospectve, Cohort Study. Philippine Journal of Gastroenterology, [S. l.], v. 10, n. 2, 2021. Disponível em: https://philjgastro.com/index.php/pjg/article/view/20. Acesso em: 30 jun. 2026.