Biosis BIOSIS Previews workbook Page 50
®
Searching
BIOSIS Previews
Searching for
Specific Subject Topics
Chemicals & Biochemicals
s
www.biosis.org s Training & Support s PowerPoint Presentation s BIOSIS Previews s
s
www.biosis.org/training_support/ s
s
Use the controlled vocabulary list (Authority File) to locate and search the 185
controlled drug modifiers.
This field contains chemical names as given in the source document. Drug names
are indexed in this field and may include the trade name, generic name, or other
specific drug name terms as given in the original item. Terms should be searched
using natural language.
s
Use the appropriate linking operator to link a chemical name to its modifier to
reduce irrelevancy. If more than one chemical is indexed in this field, the use of
the link operator will eliminate records where other chemicals are linked to the
relevant modifier.
History Note:
Prior to 1993, search for specific chemicals and drugs in the title and keyterms. Controlled drug modifiers were
introduced prior to 1993 and also appear in these fields. Consult the BIOSIS Search Guide for availability of
terms for specific years.
49