Free information resources in toxicology and other topics.
The National Library of Medicine (NLM) Specialized Information Services Division (SIS) is responsible for information resources and services in toxicology, environmental health, chemistry, and other topics. This includes databases and special topics Web pages, with access to many of its resources online, as downloads, Smartphone apps, and/or as Web pages optimized for mobile devices. All are available for free. For more information visit www.nlm.nih.gov