1. 1. Ismagilov M. F., Galiullin N. I., Mingaleev D. R. The costs of modern practical neurology // Neurological Bulletin. 2005; XXXVII (1-2): 105-7.
2. 2. Povoroznyuk V. V. Disease of the musculoskeletal system in people of all ages. Vol. 3. Kiev, 2009. 664 p.
3. 3. Iordanishvili A. K. Fundamentals of dental arthrology. - St. Petersburg: Publishing house "Man", 2018. 176 p.
4. 4. Osadchy A., Zelter P. Two-energy X-ray absorption in the evaluation of the effectiveness of osteopenia treatment // Doctor. 2015; 11: 79-80.
5. 5. Krum S. A. Direct transcriptional targets of sex steroid hormones in bone // J. Cell. Biochem. 2011; 112 (2): 401-8.