IRIS Glossary by the United States Environmental Protection Agency
= IRIS Glossary by the United States Environmental Protection Agency
{c}
Primary EPA glossary: https://www.epa.gov/iris/iris-glossary . Entries Dose-Response Assessment, Dose-Response Relationship and Endpoint distinguish measured response magnitude from incidence or response probability, and require an identified biological endpoint. Used for terminology, not to infer clinical dosing or a substance-specific threshold.