title: [Definition of the concept of "health-related activity"].
authors.forename: N S
authors.initials: NS
authors.lastname: Usachev
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001294:Attitude to Health; D015438:Health Behavior; D006801:Humans; D008019:Life Style; D008875:Middle Aged; D012423:Rural Health / Q000592:standards*; D012660:Semantics; D009626:Terminology as Topic; D014586:USSR
vernacular_title: K utochneniiu poniatiia "meditsinskaia aktivnost'".