Moretti, C., P. Papoff, and C.S. Barbàra, et al. 2013. “Surfactant Therapy for Acute Respiratory Distress in Children”. Acta Biomedica Atenei Parmensis 84 (1): 18-21. https://mattioli1885journals.com/index.php/actabiomedica/article/view/2939.