“Association Between Serum 25-Hydroxyvitamin D Levels and Gross Motor Development in Children With Down Syndrome: An Analytical Cross-Sectional Study”. Reabilitacijos Mokslai: Slauga, Kineziterapija, Ergoterapija, vol. 1, no. 34, June 2026, pp. 147-58, https://doi.org/10.33607/rmske.v1i34.2277.