Irynа Yu. Seriakova, Vitalii V. Yevtushenko, Sergiy O. Kramarov, and Mariia O. Dudnikova, “PROGNOSTIC VALUE OF BIOMARKERS FOR THE DURATION OF INPATIENT TREATMENT IN CHILDREN WITH COVID-19”, USMYJ, vol. 164, no. 3, pp. 73–81, Sep. 2026.