Boĭko E R, Potolitsyna N N, Boĭko S G, Larina V E, Zelenov V A
Vopr Pitan. 2008;77(3):64-7.
It was been examined 810 healthy peoples inhabited in Russian European North. It was been shown that more than 35% of examined person from different group have lowered serum level of retinol and alpha-tocopherol. Described that alpha-tocopherol deficits occur more often and proposed that it cased as a result of free radical oxidation typical for North inhabitances.
