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2. G. N. Zatsepina, Physical Properties and Structure of Water (Izd. MGU, Moscow, 1998) [in Russian].
3. Bases of Physiology, Ed. P. Sterki (Mir, Moscow, 1984) [in Russian].
4. A. Lehninger, Biochemistry (Mir, Moscow, 1974) [in Russian].
5. Reports of WHO Consultation, WHO Thechnical Series;Word Health Organization,2000