Interventional Ultrasonography in Gastroenterology. Acta Medica Academica, [S. l.], v. 24, p. 73–81, 1990. DOI: 10.5644/Radovi.271. Disponível em: https://www.ama.ba/index.php/ama/article/view/982. Acesso em: 11 feb. 2026.