Pham, Vo Phuong Thao, et al. “STUDY OF CLINICAL CHARACTERISTICS AND ENDOSCOPIC IMAGES IN CHILDREN WITH GASTRODUODENAL ULCER AT PEDIATRIC CENTER-HUE CENTRAL HOSPITAL”. Cantho Journal of Medicine and Pharmacy, no. 78, Aug. 2024, pp. 188-94, doi:10.58490/ctump.2024i78.3117.