1. https://www.aifa.gov.it/programmi-di-uso-compassionevole-covid-19.
2. Remdesivir for the treatment of Covid-19 - final report;Beigel;N. Engl. J. Med.,2020
3. Phosphatidylglycerol and surfactant: a potential treatment for COVID-19?;Bollag;Med. Hypotheses,2020
4. Covid-19, type II alveolar cells and surfactant;Bracco;. J Med - Clin Res & Rev.,2020
5. Pulmonary surfactant in newborn infants and children;Chakraborty;Breathe,2013