BioScience Dictionary

 
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Found Median effective dose 1 time.

Displaying results 1 to 10.

1. Median effective dose (ED50, ED50)
Statistically derived single dose of a substance that can be expected to cause a non-lethal effect of a defined size in 50% of a given population of organisms under a defined set of experimental conditions. The defined effect must be quantal. See quantal .