For developers


Important note

Consulting DeCS online does not require downloading its database, and there is no need for a license to consult it online. The DeCS/MeSH search retrieves the descriptors that describe (index) the subjects of the articles in the Virtual Health Library (VHL) databases. For instructions on how to search the VHL portal go to:

Licensed use (free)

For copyright protection, the download of the DeCS/MeSH thesaurus is offered free of charge through a usage license.

Therefore, we ask you to first read our conditions for downloading DeCS database and, then, complete our DeCS/MeSH pre-License Agreement form.

Once we receive this information, your application will be reviewed and a license will be issued.

To access DeCS services, please follow the instructions presented here.

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