00699naa#a2200193#i#450# EN\\bibl\109578 20251224074949.3 1994-4683 20250913b2025####ek#y0engy0150####ca RU Prevention of knee joint injuries of alpine skiers aged 14-15 Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 4 с. Journal article local Горнолыжный спорт. 796.926 Alekseeva Nadezhda Dmitrievna Zinoviev Nikolay Alekseevich Smirnov Aleksandr Sergeevich uchzapiski.lesgaft.spb.ru