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2. Klinicheskie rekomendacii. Zhelezodeficitnaja anemija. Odobreno Nauchno-prakticheskim Sovetom Ministerstva zdravooxraneniya Rossijskoj Federacii. 2021. Accessed May 05, 2024. (In Russ.). https://cr.minzdrav.gov.ru/schema/669_1?ysclid=lw4oocp89y568765689
3. Vasil’eva EV, Aslanjan KS, Piskunova SG. Iron deficiency anemia in children: the modern view of hematologist. Glavnyj vrach Juga Rossii. 2017; 3(56):6-10. (In Russ.)
4. Programma optimizacii vskarmlivanija detej pervogo goda zhizni v Rossijskoj Federacii: metodicheskie rekomendacii. FGAU «NMIC zdorov’ja detej» Minzdrava Rossii. M., 2019. (In Russ.)
5. Modern view on a problem «children with recurrent infections» (frequently ill children) and their immune status