00521naa#a2200145#i#450# EN\\bibl\52145 20250315174315.6 2078-1962 20210827b2021####ek#y0engy0150####ca RU Obituary. Valery N. Sergeev Journal article Moscow Federal State Budgetary Institution «National Medical Research Center of Rehabilitation and Balneology» of Ministry of Healthcare of Russian Federation 2021 0 с. Journal article local nmicrk.editorum.ru