Sotnikova-Meleshkina, Z.V., MikhanovskaN.Н. and Ostrovska, H.E. 2020. A LONGITUDINAL STUDY OF HEALTH-RELATED QUALITY OF LIFE IN PRIMARY SCHOOL CHILDREN. Clinical and Preventive Medicine. 4 (Dec. 2020), 62-69. DOI:https://doi.org/10.31612/2616-4868.4(14).2020.05.