S. Mannarino, “Hemodynamic management of the preterm infant with acute respiratory failure: role of the functional echocardiography”, Acta Biomed, vol. 86, no. 1S, pp. 27–31, Jun. 2015, Accessed: Jul. 27, 2024. [Online]. Available: https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/4541