THE PREVALENCE AND DIAGNOSIS OF RARE (ORPHAN) DISEASES IN PEDIATRIC POPULATION OF THE RUSSIAN FEDERATION Article Vasilieva T.P., Zinchenko R.A., Komarov I.A., Krasilnikova E.Y., Aleksandrova O.Y., Konovalov O.G., Kutsev S.I. Pediatriya - Zhurnal im G.N. Speranskogo. Vol. 99. 2020. P. 229-237
