The Impact of COVID-19 Pandemic during 2020-2021 on the Vitamin D Serum Levels in the Paediatric Population in Warsaw, Poland.
Agnieszka RusteckaJustyna MaretAda DrabMichalina LeszczyńskaAgata WawrzyniakAgnieszka Lipińska-OpałkaAgata BędzichowskaBolesław KalickiJacek Z KubiakPublished in: Nutrients (2021)
The COVID-19 pandemic restrictions led to a significant decrease in vitamin D serum levels in children.