Mkrtchyan S. А., Dunamalyan R. А., Ghukasyan, L. E., & Mardiyan M. А. (2021). SOCIO-DEMOGRAPHIC AND MEDICO-BIOLOGICAL FACTORS AS PROGNOSTIC INDICATORS OF QUALITY OF LIFE IN EARLY CHILDHOOD. Proceedings of the YSU B: Chemical and Biological Sciences, 55(1 (254), 75–84. https://doi.org/10.46991/PYSU:B/2021.55.1.075