For correspondence:

Romantsova E.B. – D. Med. Sc., Professor, Head of the Department of Pediatrics Amur State Medical Academy, 95 Gorkiy Str., 675006, Blagoveshchensk, Amur oblast, tel. (4162) 31-90-09, e-mail: romantsova.06@yandex.ru

The work presents analysis of research results of vitamin D metabolites in sickly children. It has been found that 81.2% of 3-6 y.o. pre-school children have deficit of vitamin D. The authors estimate the efficiency of preventive and therapeutic doses of vitamin D in the form of water solution (Akvadetrim), and trace the correlation between the vitamin D level and resistance index in sickly children (r= -0.73, p<0.001).

Key words: sickly children, provision with vitamin D, Akvadetrim.

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