Columbia subject headings:
Drug abuse--Treatment--Handbooks, manuals, etc.
Drug addiction--Treatment--Handbooks, manuals, etc.
Drug addicts--Rehabilitation--Handbooks, manuals, etc.
Harvard subject headings:
Drug abuse--Treatment--Handbooks, manuals, etc.
Drug addiction--Treatment--Handbooks, manuals, etc.
Drug addicts--Rehabilitation--Handbooks, manuals, etc.
Princeton subject headings: