1. Avtsyn, A.P., Zhavoronkov, A.A., Marachev, A.G., and Milovanov, A.P., Patologiya cheloveka na Severe (The Pathologies of Man at the North), Moscow: Meditsina, 1985.
2. Anisimov, V.N., Molekulyarnye i fiziologicheskie mekhanizmy stareniya (Molecular and Physiological Mechanisms of Aging), St. Petersburg: Nauka, 2008, vol. 1.
3. Boiko, E.R., Evdokimov, V.G., Vakhnina, N.A., et al., Seasonal aspects of oxidative stress in humans in the North, Aviakosm. Ekol. Med., 2007, vol. 41, no. 3, pp. 44–47.
4. Borisenkov, M.F., The effect of natural light and melatonin on the daily dynamics of the total antioxidant activity of human saliva during the “white nights,” Usp. Gerontol., 2007, vol. 20, no. 2, pp. 76–81.
5. Borisenkov, M.F., The influence of the Earth’s magnetic field on the daily dynamics of the general antioxidant activity of human saliva in the North, Usp. Gerontol., 2007, vol. 20, no. 4, pp. 56–60.