00689naa#a2200169#i#450# EN\\bibl\111658 20260322192018.7 1994-4683 20241031b2024####ek#y0engy0150####ca RU The concept of balanced nutrition as a factor for optimal physical condition Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2024 5 с. Journal article local Философия. Теория. Назначение. Методика. Этика. Эстетика. 796.01 Schetinina Svetlana Yur'evna uchzapiski.lesgaft.spb.ru