Для цитирования:
Dolbnya S., Kur’yaninova V., Melyanovskaya Yu., Kondratyeva E., Klimov L., Dyatlova A., Yagupova A., Tsutsaeva A. Exogenic and endogenic factors affecting the supply of vitamin D in healthy children and adolescents of the south of Russia in winter-spring periods. Российский педиатрический журнал. 2021;2(3):56.