APA (7th ed.) Citation

Nikitina, I. L., & Todieva, A. M. Vitamin D deficiency in children with obesity — who is at the highest risk? Open Systems Publication.

Chicago Style (17th ed.) Citation

Nikitina, I. L., and A. M. Todieva. Vitamin D Deficiency in Children with Obesity — Who Is at the Highest Risk? Open Systems Publication.

MLA (9th ed.) Citation

Nikitina, I. L., and A. M. Todieva. Vitamin D Deficiency in Children with Obesity — Who Is at the Highest Risk? Open Systems Publication.

Warning: These citations may not always be 100% accurate.