Lethal Dose Overview

Encyclopedia: Lethal Dose

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A lethal dose is an indication of the lethality of a given substance or type of radiation. Because resistance varies from one individual to another, the 'lethal dose' represents a dose at which a given percentage of subjects will die. The most commonly-used lethality indicator is the LD50 , a dose at which 50% of subjects will die. LD measurements are often used to describe the power of venoms in...

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