“Clinical Manifestation of Peutz-Jeghers Syndrome in Children With Gastrointestinal Bleeding: A Case Report”. Archives of Pediatric Gastroenterology, Hepatology, and Nutrition, vol. 1, no. 1, May 2022, pp. 28-34, https://doi.org/10.58427/apghn.1.1.2022.28-34.