The minimum lethal dose for humans has not been established.

Minimum lethal dose (LD) is the least amount of drug that can produce death in a given animal species under controlled conditions.

The term, 'minimum lethal dose', is defined as the smallest amount of a substance needed to kill a nine-ounce guinea pig within four days.

'As I said, that man received five times the minimum lethal dose,' Nordmann said quietly.

The male funnel web spider's venom appears to be six times more powerful than that of the female spider, based on minimum lethal dose determinations.

From these experiments, they calculated that the oral minimum lethal dose (MLD) for calves is roughly 420 mg/kg body weight.

Working with Léger's (see "Occurrence") hordenine sulfate, Camus determined minimum lethal doses for the dog, rabbit, guinea pig and rat (see "Toxicology").

Scott had told them it was a standard precaution and that it would alert them to exposure levels equal to one-fiftieth the minimum lethal dose, but the anxious trooper obviously didn't trust it.

The U.S. Centers for Disease Control and Prevention (CDC) states that 500 micrograms is the minimum lethal dose of ricin in humans provided that exposure is from injection or inhalation.