Diagnostic utility of lung ultrasound in preterm neonates with respiratory distress at a tertiary neonatal intensive care unit in South Africa. South African Journal of Child Health, [S. l.], v. 19, n. 1, p. e2637, 2025. DOI: 10.7196/SAJCH.2025.v19i1.2637. Disponível em: https://www.samajournals.co.za/index.php/sajch/article/view/2637. Acesso em: 3 oct. 2025.