DEVELOPMENT AND VALIDATION OF THE RUSSIAN VERSION OF THE QUESTIONNAIRE FOR THE UTILITARIAN INDEXES EVALUATION IN PEDIATRICIAN PRACTICE oleh A. A. Baranov, V. J. Albitskiy, I. V. Vinyarskaya, V. V. Tchernikov, N. V. Ustinova, O. I. Simonova, J. V. Gorinova, M. S. Samsonova