AND
OR
NOT
Author/Editor
e.g. Strang J
AND
OR
NOT
Title
AND
OR
NOT
Subject
e.g. cocaine & harm reduction
AND
OR
NOT
Thesaurus Terms
e.g. cocaine & harm reduction
AND
OR
NOT
Publisher/ISBN
AND
OR
NOT
Year
e.g. 1995 or >1995 for everything after 1995
AND
OR
NOT
Journal
e.g. Addiction
AND
OR
NOT
Issue
e.g. 95&2
AND
OR
NOT
Material Type
Book Chapter
Journal Article
Monograph
Video
AND
OR
NOT
Document No
