1. Mordasov N. A., Kirichuk A. A., Valieva I. K. Proyavlenie gipo- i avitaminozov v polosti rta. Sbornik nauchnyh statey po itogam raboty Mezhdunarodnogo nauchnogo foruma Nauka i innovacii - sovremennye koncepcii. Moskva, 1 noyabrya 2019: 73-76. [N. A. Mordasov, A. A. Kirichuk, I. K. Valieva. Manifestation of hypo- and avitaminosis in the oral cavity. Collection of scientific articles on the results of the work of the International Scientific Forum Science and Innovation - Modern Concepts. Moscow, November 1, 2019: 73-76. (In Russ.)]. https://www.elibrary.ru/item.asp?id=41307401
2. Luckaya I. K. Proyavleniya na slizistoy obolochke polosti rta zabolevaniy vnutrennih organov i SPIDa. Mezhdunarodnye obzory: klinicheskaya praktika i zdorov'e. 2013; 6 (6): 32-53. [I. K. Lutskaya I.K. Manifestations of the oral mucosa of diseases of internal organs and AIDS. International reviews: clinical practice and health. 2013; 6 (6): 32-53. (In Russ.)].
3. Magomedova M. A., Arbuhanova M. S., Gazimagomedova M. M. i dr. Patohimicheskie mehanizmy proyavleniya razlichnyh vidov gipovitaminozov v rotovoy polosti. Uspehi sovremennoy nauki. 2017; 5, 1: 44-49. [M. A. Magomedova, M. S. Arbuhanova, M. M. Gazimagomedova et al. Pathochemical mechanisms of manifestation of various types of hypovitaminosis in the oral cavity. The successes of modern science. 2017; 5, 1: 44-49. (In Russ.)]. https://www.elibrary.ru/item.asp?id=28386363
4. Savarina A. S., Sycheva I. M. Differencial'nyy analiz gipovitaminozov po sostoyaniyu rotovoy polosti. Studencheskiy: elektronnyy nauchnyy zhurnal. 2017. [A. S. Savarina, I. M. Sycheva. Differential analysis of hypovitaminosis by the state of the oral cavity. Student: electronic scientific journal. 2017. (In Russ.)]. https://sibac.info/journal/student/5/75257
5. Cagetti M. G., Wolf T. G., Tennert C., Camoni N., Lingström P., Campus G. The role of vitamins in oral health. A systematic review and meta-analysis // Int J Environ Res Public Health. - 2020; 17(3): 938. doi:https://doi.org/10.3390/ijerph17030938.
6. Kozlak S. T., Walsh S. J., Lalla R. V. Reduced dietary intake of vitamin B12 and folate in patients with recurrent aphthous stomatitis // J Oral Pathol Med. - 2010; 39(5): 420-423. doi:https://doi.org/10.1111/j.1600-0714.2009.00867.x.
7. Sheetal A., Hiremath V.K., Patil A.G., Sajjansetty S., Kumar S.R. Malnutrition and its oral outcome - a review // J Clin Diagn Res. - 2013; 7(1): 178-180. doi:https://doi.org/10.7860/JCDR/2012/5104.2702.
8. Emel'yanova A. Yu., Zinov'eva O .E. Vitamin V12 v lechenii zabolevaniy nervnoy sistemy. RMZh. 2016; 7: 429-433. [A. Yu. Emelyanova, O. E. Zinovieva. Vitamin B12 in the treatment of diseases of the nervous system. RMJ. 2016; 7: 429-433. (In Russ.)].
9. Zabolevaniya slizistoy obolochki polosti rta. Uchebnoe posobie. Pod red. Uspenskoy O.A., Zhuleva E.N. N. Novgorod: Izdatel'stvo Nizhegorodskoy gosudarstvennoy medicinskoy akademii. 2017: 504. [Diseases of the oral mucosa. Textbook. Eds. O. A. Uspenskaya, E. N. Zhuleva. N. Novgorod: Publishing house of the Nizhny Novgorod State Medical Academy. 2017: 504. (In Russ.)].
10. Naik S.R., Gupta P., Khaitan T., Shukla A. K. Reduced levels of serum vitamin B12 in symptomatic cases of oral lichen planus: A cross-sectional study // J Oral Biol Craniofac Res. - 2020; 10 (4): 578-582. doi:https://doi.org/10.1016/j.jobcr.2020.07.010.
11. Pontes H. A. R., Neto N. C., Ferreira K. B., Fonseca F. P., Vallinoto G. M., Pontes F. S. et al. Oral manifestations of vitamin B12 deficiency: A case report // JCDA. - 2009; 75 (7): 533-537.
12. Krasnovskiy A. L., Grigor'ev S. P., Alehina R. M., Ezhova I. S., Zolkina I. V., Loshkareva E. O. Sovremennye vozmozhnosti diagnostiki i lecheniya deficita vitamina V12. Klinicist. 2016; 3: 15-25. [A. L. Krasnovsky, S. P. Grigoriev, R. M. Alekhina, I. S. Ezhova, I. V. Zolkina, E. O. Loshkareva. Current diagnostic and treatment options for vitamin B12 deficiency. Clinician. 2016; 3: 15-25. (In Russ.)]. doi:https://doi.org/10.17650/1818-8338-2016-10-3-15-25.
13. Truhan D. I., Viktorova I. A., Truhan L. Yu. Izmenenie organov i tkaney polosti rta pri zabolevaniyah vnutrennih organov. Uchebnoe posobie dlya sistemy poslevuzovskogo professional'nogo obrazovaniya vrachey. Moskva : Prakticheskaya medicina. 2012: 208. [D. I. Trukhan, I. A. Viktorova, L. Yu. Trukhan. Changes in organs and tissues of the oral cavity in diseases of internal organs: a textbook for the system of postgraduate professional education of doctors. Moscow: Practical Medicine. 2012&208. (In Russ.)].
14. Bhattacharjee A., Easo Samuel A. Vitamin B12 deficiency in a patient presenting with dyspnea: a case report // Adv J Emerg Med. - 2018; 3 (2): e19. doi:https://doi.org/10.22114/AJEM.v0i0.103.
15. Zhou P., Hua H., Yan Z., Zheng L., Liu X. Diagnostic value of oral «beefy red» patch in vitamin B12 deficiency // Ther Clin Risk Manag. - 2018; 14: 1391-1397. doi:https://doi.org/10.2147/TCRM.S159889.
16. Kodencova V. M. Vitaminy kruglyy god. Himiya i zhizn'-XXI vek. 2010; 6: 34-35. [V. M. Kodentsova. Vitamins all year round. Chemistry and Life-XXI century. 2010; 6: 34-35. (In Russ.)].
17. Maev I. V., Kazyulin A. N., Belyy P. A. Vitaminy. Uchebnoe posobie. Moskva : MEDpress-inform. 2011: 544. [I. V. Maev, A. N. Kazyulin, P. A. Bely. Vitamins: a tutorial. Moscow : MEDpress-inform. 2011: 544. (In Russ.)].
18. Mayanskoy N. N. Biohimicheskie osnovy profilaktiki i lecheniya zabolevaniy polosti rta. Uchebno-metodicheskoe posobie. Izd. 2. 2008: 80. [N. N. Mayanskaya. Biochemical fundamentals of prevention and treatment of diseases of the oral cavity: teaching aid. Ed. 2. 2008: 80. (In Russ.)].
19. Erriu M., Pili F. M., Cadoni S., Garau V. (2016). Diagnosis of lingual atrophic conditions: associations with local and systemic factors. A descriptive review // Open Dent J. − 2016; 10: 619-635. doi:https://doi.org/10.2174/1874210601610010619.
20. Gazhva S. I., Kasumov N. S., Zyzov D. M. Porazheniya slizistoy obolochki polosti rta i ih struktura pri sistemnyh zabolevaniyah. Sovremennye problemy nauki i obrazovaniya. 2015. [S. I. Gazhva, N. S. Kasumov, D. M. Zyzov Damages of the mucous membrane of the oral cavity and their structure at system diseases. Modern problems of science and education. 2015. (In Russ.)]. http://www.science-education.ru/ru/article/view?id=23539
21. Luschik M. V., Makeeva A. V., Grebennikova I. V. i dr. Izmenenie svobodno-radikal'nogo ravnovesiya rotovoy zhidkosti na fone priema polivitaminnyh kompleksov. Nauchno-medicinskiy vestnik Central'nogo Chernozem'ya. 2017; 69: 61-66. [M. V. Lushchik, A. V. Makeeva, I. V. Grebennikova et al. Changes in the free-radical balance of the oral fluid while taking multivitamin complexes. Scientific medical bulletin of the Central Chernozem region. 2017; 69: 61-66. (In Russ.)].
22. Morozova S. I., Savel'eva N. A. Zabolevaniya slizistoy obolochki rta. Atlas. Moskva : OOO «Medicinskoe informacionnoe agentstvo». 2012: 272. [S. I. Morozova, N. A. Savelyeva. Diseases of the oral mucosa: atlas. Moscow : Ltd. «Medical Information Agency». 2012: 272. (In Russ.)].
23. Sahin V. T., Kryukov E. V., Rukavicy O. A. Anemiya hronicheskih zabolevaniy - osobennosti patogeneza i popytka klassifikacii. Tihookeanskiy medicinskiy zhurnal. 2019; 1: 33-37. [V. T. Sakhin, E. V. Kryukov, O. A. Mittens. Anemia of chronic diseases − features of pathogenesis and an attempt to classify. Pacific Medical Journal. 2019; 1: 33-37. (In Russ.)]. doi:https://doi.org/10.17238/PmJ1609-1175.2019.1.33-37.
24. Mangold A. R., Torgerson R. R., Rogers R. S. Diseases of the tongue // Clinics in Dermatology. − 2016; 34, 4: 458-469. doi.org/10.1016/j.clindermatol.2016.02.018.
25. Niimi N., Mori N. Papillary atrophy of the tongue // Clin Case Rep. − 2018; 6 (11): 2283-2284. doi:https://doi.org/10.1002/ccr3.1808.



