«Five-year Prevalence of Gastrointestinal Diseases and Disorders in Akure South, Nigeria: Prevalence of Gastrointestinal Diseases in Akure South » (2021) African Journal of Biomedical Research, 24(2), с. 245–249. доступний у: https://www.ojshostng.com/index.php/ajbr/article/view/1627 (дата звернення: 21 Травень 2026).