Blicharz, A., Marzęda, M., Drozd, M., Czarnota, J. and Piecewicz-Szczęsna, H. 2020. Beriberi disease – a picture of thiamine deficiency in underdeveloped and highly developed countries. Journal of Education, Health and Sport. 10, 9 (Sep. 2020), 407–414. DOI:https://doi.org/10.12775/JEHS.2020.10.09.048.