Derwent Biotechnology Abstracts Thesaurus

English Abstract: 

"Generic terms (Higher Terms) associated with specific keywords are indicated by the use of the abbreviation 'h.t.'. This means that whenever the specific term appears in the file, the corresponding Higher Term(s) will also appear and can be searched instead of the specific keyword if a broader search is desired. The abbreviation 's.a.' (see also) is used to indicate a related term which may also be worth considering in a search. Some terms have been altered since the start of the database and this is indicated by the use of the word 'was'. This Thesaurus is designed to facilitate searching of the Derwent Biotechnology Abstracts online database. The Thesaurus is intended to guide the searcher in the selection of correct search terms."

English Title: 
Derwent Biotechnology Abstracts Thesaurus
Author: 
Thomson
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