Columbia subject headings:
Alcoholism--Nigeria.
Drinking of alcoholic beverages--Nigeria--Statistics.
Drinking of alcoholic beverages--Nigeria.
Drug abuse surveys--Nigeria.
Harvard subject headings:
Alcoholism--Nigeria.
Drinking of alcoholic beverages--Nigeria--Statistics.
Drinking of alcoholic beverages--Nigeria.
Drug abuse surveys--Nigeria.
Princeton subject headings:
Drinking of alcoholic beverages--Nigeria--Statistics.
Drinking of alcoholic beverages--Nigeria.