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- JCR (Journal Citation Reports) measures research influence and impact at the journal and category levels, and shows the relationship between citing and cited journals.
- Oceanic Abstracts covers oceanography, marine and brackish-water environments.
- TOXLINE covers TOXLINE covers toxicology, chemicals, pharmaceuticals and antidotes.
- ProQuest site
- National Institutes of Health site allows you to add chemical synonyms and CAS numbers. Includes PubMed citations and can limit searches by TOXLINE components.
- PubMed indexes citations from MEDLINE, PreMEDLINE, and other journals in the field of medicine and life sciences, and links to NCBI's integrated molecular biology databases including nucleotide sequences, protein sequences, 3-D protein structure data, population study data sets, and assemblies of complete genomes in an integrated system.
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- JCR (Journal Citation Reports) measures research influence and impact at the journal and category levels, and shows the relationship between citing and cited journals.
- NIST/TRC Web Thermo Tables provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics.
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- JCR (Journal Citation Reports) measures research influence and impact at the journal and category levels, and shows the relationship between citing and cited journals.
- Web of Science indexes most science journals (1900 - present).
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