Columbia subject headings:
Drug abuse--Russia (Federation)--Tatarstan.
Drug traffic--Russia (Federation)--Tatarstan.
Youth--Drug use--Russia (Federation)--Tatarstan.
Harvard subject headings:
Youth--Substance use--Russia (Federation)--Statistics.
Princeton subject headings:
Drug abuse--Russia (Federation)--Tatarstan.
Drug traffic--Russia (Federation)--Tatarstan.
Youth--Drug use--Russia (Federation)--Tatarstan.