BABIYENKO, V.V.; ROZHNOVA, A.M. VALIDATION OF THE LC-MS/MS METHOD FOR 25-HYDROXYVITAMIN D DETERMINATION IN CHILDREN’S SERUM ACCORDING TO VDSP STANDARDS. Environment & Health, Kyiv, Ukraine, v. 119, n. 2, p. 25–31, 2026. DOI: 10.32402/dovkil2026.02.025. Disponível em: https://dovkil-zdorov.kiev.ua/journal/article/view/1247. Acesso em: 25 aug. 2026.