Zaitseva IP, Skalny AA, Tinkov AA, Berezkina ES, Grabeklis AR, Nikonorov AA, et al. Blood Essential Trace Elements and Vitamins in Students with Different Physical Activity. Pak. J. Nutr. [Internet]. 2015 Sep. 15 [cited 2025 Aug. 26];14(10):721–726. Available from: https://pjnonline.org/pjn/article/view/2211