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

Stavropol State Medical University
Russian Federation

Svetlana Dolbnya.

Stavropol.

Stavropol State Medical University
Russian Federation

Viktoriya Kur’yaninova.

Stavropol.

Stavropol State Medical University
Russian Federation

Yuliya Melyanovskaya.

Stavropol.

Stavropol State Medical University
Russian Federation

Elena Kondratyeva.

Stavropol.

Stavropol State Medical University
Russian Federation

Leonid Klimov.

Stavropol.

Stavropol State Medical University
Russian Federation

Anna Dyatlova.

Stavropol.

Stavropol State Medical University
Russian Federation

Anastasiya Yagupova.

Stavropol.

Stavropol State Medical University
Russian Federation

Anna Tsutsaeva.

Stavropol.