, approximately 200 general indexing terms, will no longer be added to EMBASE records in a separate EMTAGS
field beginning this year, For several years, all information in the EMTAGS
field has also been found in the Descriptor field.
Also included are usage guidelines in seven languages, the EMTREE alphabetical index, the hierarchical EMTREE structure, a complete list of the Links and EMTAGS
, and the Drug EMCLAS classification system.
OVID also allows easy, menu-access to EMBASE's extensive system of check tags (EMTAGS
); natural language mapping to EMTREE controlled vocabulary terms; and direct menu access to the Permuted Subject Index for a drug's associated chemical, industry, and trade names.