<unk> cal<unk>  are large compilations of data derived from<unk>  and environmental toxicity studies. Data is aggregated from a large number of individual studies in which toxic effects upon<unk>  and terrestrial organisms have been determined for different chemicals. These<unk>  are then used by<unk> sts, chemists, regulatory agencies and scientists to investigate and predict the likelihood that an organic or inorganic chemical will cause an adverse effect (i.e. toxicity) on exposed organisms. Several such<unk>  have been compiled relating specifically to<unk><unk> .
Aquatic toxicology databases
Hazardous Substances Data Bank
Clinical decision support system
Enterprise master patient index
Disease registry
Clinical trial management system
Clinical data management system
Patient tracking system