KHALID, A. .; JOHN, A. .; ALI, A. . .; BATOOL , N. .; ZAMIR, A. . Frequency of Gastrointestinal Diseases Diagnosed on Barium Contrast Studies: Frequency of Gastrointestinal Diseases. Pakistan BioMedical Journal, [S. l.], v. 5, n. 5, p. 325–329, 2022. DOI: 10.54393/pbmj.v5i5.511. Disponível em: https://pakistanbmj.com/journal/index.php/pbmj/article/view/511. Acesso em: 28 apr. 2024.