[1]
A. Nieciecka, K. Kędziora-Kornatowska, M. Lamch, M. Jabłońska, N. Błasik, and A. Wójcik, “Analysis of the causes of vitamin B12 deficiency in different age groups - a review of the literature”, J Educ Health Sport, vol. 13, no. 2, pp. 81–92, Dec. 2022.