Databases by Clusters
STN database clusters contain databases covering the same subject area. You can search the clusters through the Multifile Search capability. Reviewing the clusters can help you determine which databases to search to find information on your topic of interest:
Others database clusters contain databases that share a similar feature (e.g. CAS Registry Numbers, numeric data, chemical structure searching) or have the same producer. All files in these clusters are also contained in the subject oriented clusters above.
| VETB The Derwent Veterinary Drug Backfile |
 Summary Sheet |
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| VETU The Derwent Veterinary Drug file |
Summary Sheet |
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| WATER now part of PQSCITECH |
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| WELDASEARCH Literature about ceramics, metals, plastics |
Summary Sheet |
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| WPIDS Derwent World Patents Index Subscriber File |
Summary Sheet |
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| WPINDEX Derwent World Patents Index (Non-subscribers) |
Summary Sheet |
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| WPIX Derwent World Patents Index Subscriber File w. Ext. Abstr. |
Summary Sheet |
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| WSCA World Surface Coatings Abstracts |
Summary Sheet |
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| ZREGISTRY The CAS Registry file with zero connect hour pricing |
Summary Sheet |