individual effective dose

initialism: IED
https://doi.org/10.1351/goldbook.14761
Concept forming the basis for most dose–response models, which holds that there exists a smallest dose needed to kill any particular individual. The IED is a characteristic of an individual.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 900 [Terms] [Paper]