ZAINUDIN, M. H. H.; ABDULLAH, K. A. Petroleum Jelly as an Alternative Coupling Agent to Reduce Umbrella Artifacts in Ultrasound Superficial Scans. Malaysian Journal of Medicine and Health Sciences, [S. l.], v. 21, n. 4, p. 138–143, 2025. Disponível em: http://mjmhsojs.upm.edu.my/index.php/mjmhs/article/view/1273. Acesso em: 11 may. 2026.