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The median toxic dose encompasses the category of toxicity that is greater than half maximum effective concentration (ED 50) but less than the median lethal dose (LD 50). However, for some highly potent toxins (ex. lofentanil , botulinum toxin ) the difference between the ED 50 and TD 50 is so minute that the values assigned to them may be ...
With time off from work and weekends chock full of activity, Americans tend to spend more in the summer months than during other times of the year. But nothing beats December's festive drain on...