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  • ContentsContents
  • Article InfoArticle Info
  • CitationCitation
  • MetricsMetrics
  • CommentComment
  • RelatedRelated
  • FigsFigs
  • RefsRefs
  • CitedCited
  • Article title
  • Biography
  • Russian period
  • Soviet period
  • Post-soviet period
  • Conclusion
  • References
  • Author contributions
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