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lowest observed effect level

In a study, the lowest dose or exposure level at which a statistically or biologically significant effect is observed in the exposed population compared with an appropriate unexposed control group.
Concept Schemes:
Broader Concept:
Entry Terms:
  • lowest observed adverse effect level
  • lowest observable effect concentration
  • LOEC (lowest observable effect concentration)
  • LOAEL (lowest observed adverse effect level)
  • LOEL (lowest observed effect level)
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RDF/XMLCreated 2006-01-19, last modified 2020-04-14