Reproducibility and Validity of Capillary Dried Blood Spot for Diagnosis of Vitamin A Deficiency and Anemia in Children <5 Years Old.
Alessandra da Silva PereiraAna C F da SilvaFlávia F BezerraMarta CitelliJosé F Nogueira NetoInês R R de CastroPublished in: The Journal of nutrition (2022)
The results suggest that DBS is adequate for the diagnosis of VAD in preschool children, but not for anemia.