Rustecka, A., Maret, J., Drab, A., Leszczyńska, M., Tomaszewska, A., Lipińska-Opałka, A., . . . Kubiak, J. Z. (2021). The Impact of COVID-19 Pandemic during 2020–2021 on the Vitamin D Serum Levels in the Paediatric Population in Warsaw, Poland. Nutrients.

Rustecka, Agnieszka, Justyna Maret, Ada Drab, Michalina Leszczyńska, Agata Tomaszewska, Agnieszka Lipińska-Opałka, Agata Będzichowska, Bolesław Kalicki, e Jacek Z. Kubiak. "The Impact of COVID-19 Pandemic During 2020–2021 On the Vitamin D Serum Levels in the Paediatric Population in Warsaw, Poland." Nutrients 2021.

Rustecka, Agnieszka, et al. "The Impact of COVID-19 Pandemic During 2020–2021 On the Vitamin D Serum Levels in the Paediatric Population in Warsaw, Poland." Nutrients 2021.