EXOGENOUS SURFACTANT BEACTANT (SURVANTA) EFFICACY IN NEWBORNS WITH A RESPIRATORY DISTRESS SYNDROME AND THE FIRST RESULTS OF USE IN THE RUSSIAN FEDERATION ArticleVolodin N.N., Grebennikov V.A., Mileva O.I., Babak O.A., Petrova A.S., Vorontsova Y.N., Krsheminskaya I.V., Ovsyannikov D.Y.Педиатрия. Журнал им. Г.Н. Сперанского. Том 97. 2018. С. 106-114