1. 1. Evstigneeva L. P. Osteoporoz. Diagnostika, profilaktika i lechenie [Osteoporosis. Diagnosis, prevention and treatment] /L. P. Evstigneeva, A. G. Solodovnikov, O. B. Ershova et al. //Clinical guidelines (Second edition, revised and expanded). - Moscow. - 2010. (In Russian)
2. 2. Zakharova I. N. Izvestnye i neizvestnye effekty vitamina D [Known and unknown effects of vitamin D] /I. N. Zakharova, S. V. Iablochkova, Iu. A. Dmitrieva // Voprosy sovremennoi pediatrii [Issues of Modern Pediatrics]. - 2013. - No. 12 (2); pp. 20-25. (In Russian)
3. 3. Korovina N. A. Sovremennye predstavleniia o fiziologicheskoi roli vitamina D u zdorovykh i bolnykh detei [Modern ideas about the physiological role of vitamin D in healthy and sick children] /N. A. Korovina, I. N. Zakharova, Iu. A. Dmitrieva // Pediatriia [Pediatrics]. - 2008. - No. 87 (4); pp. 124-130. (In Russian)
4. 4. Pludovski P. Prakticheskie rekomendatsii po postupleniiu vitamina D i lecheniiu ego defitsita v tsentralnoi Evrope - rekomenduemoe potreblenie vitamina D sredi naseleniia v tselom i v gruppakh riska po defitsitu vitamina D [Practical recommendations for the intake of vitamin D and the treatment of its deficiency in Central Europe - the recommended intake of vitamin D in the general population and in risk groups for vitamin D deficiency] /P. Pludovski, E. Karchmarevich, M. Baier // Zhurnal Grodnenskogo gosudarstvennogo meditsinskogo universiteta [Journal of the Grodno State Medical University]. - 2014. - No. 2 (46); pp. 109-118. (In Russian)
5. 5. Potrokhova E. A. Nedostatochnost vitamina D [Vitamin D deficiency] /E. A. Potrokhova, N. V. Sobotiuk, S. V. Bochantsev, S. A. Golochalova, E. E. Shlykova, N. G. Mazhukina // Pediatricheskaia farmakologiia [Pediatric Pharmacology]. - 2014. - No. 11 (2); pp. 30-33. (In Russian)