title: [The dental status of middle-aged and elderly persons in different regions of the USSR].
authors.forename: E V
authors.initials: EV
authors.lastname: Borovskiĭ
authors.forename: A N
authors.initials: AN
authors.lastname: Pak
mesh_terms: D000367:Age Factors; D000368:Aged; D003753:Dental Health Surveys; D006301:Health Services Needs and Demand / Q000706:statistics & numerical data; D006801:Humans; D008875:Middle Aged; D009909:Oral Health; D010510:Periodontal Diseases / Q000453:epidemiology; D014586:USSR / Q000453:epidemiology
vernacular_title: Stomatologicheskiĭ status lits pozhilogo i starcheskogo vozrasta v raznykh regionakh.