- A database of biomedical books.
Digital Object Identifier System: A system for identifying and exchanging intellectual property in the digital environment.
NLM® Medical Subject Headings®: The National Library of Medicine®'s hierarchical controlled vocabulary thesaurus. Components of this vocabulary are used for the CTD chemical and disease vocabularies.
Online Mendelian Inheritance in Man®: A catalog of human genes and genetic disorders. OMIM data and disease terms are integrated into CTD to provide disease information associated with chemicals and genes.
- A database of citations for biomedical literature from MEDLINE®, life science journals, and online books.
- A bibliographic database covering the biochemical, pharmacological, physiological, and toxicological effects of drugs and other chemicals.
- Databases on toxicology, hazardous chemicals, environmental health, and toxic releases.