Exogenic and endogenic factors affecting the supply of vitamin D in healthy children and adolescents of the south of Russia in winter-spring periods

S. Dolbnya
Stavropol State Medical University
Россия

Svetlana Dolbnya.

Stavropol.

V. Kur’yaninova
Stavropol State Medical University
Россия

Viktoriya Kur’yaninova.

Stavropol.

Yu. Melyanovskaya
Stavropol State Medical University
Россия

Yuliya Melyanovskaya.

Stavropol.

E. Kondratyeva
Stavropol State Medical University
Россия

Elena Kondratyeva.

Stavropol.

L. Klimov
Stavropol State Medical University
Россия

Leonid Klimov.

Stavropol.

A. Dyatlova
Stavropol State Medical University
Россия

Anna Dyatlova.

Stavropol.

A. Yagupova
Stavropol State Medical University
Россия

Anastasiya Yagupova.

Stavropol.

A. Tsutsaeva
Stavropol State Medical University
Россия

Anna Tsutsaeva.

Stavropol.