1.
Zatyka P, Opala D, Słomczyński A, Pawłowska A, Rabenda M, Osuch D, Janik P. Vitamin B12 (cobalamin) deficiency in gastroenterological diseases - review. Qual Sport [Internet]. 2024 Jul. 31 [cited 2024 Nov. 27];20:53131. Available from: https://apcz.umk.pl/QS/article/view/53131