The observed toxic dose in about 50 % of these patients has been 0.3 g to 1.25 g of 12.5 % amitraz formulations and 0.5 to 2 g of 20 % formulations.
32.
The exact toxic dose of plant material in humans is unknown; it is thought ingestion of water hemlock in any quantity can result in poisoning and very small amounts may lead to death.
33.
It has a median toxic dose of 0.7 micrograms per kilogram of body mass when given to mice intravenously ( approximately 31.4 times more toxic than ricin being 22 micrograms per kilogram ).
34.
He pointed out that about 40 percent of chemicals that cause cancer in rodents at high doses are not mutagens, which suggests that the toxic dose, not the chemical per se, is often the problem.
35.
The U . S . National Toxicology Program suggests that the average American consume at most 12.5 mg / day of solanine from potatoes ( the toxic dose is actually several times this, depending on body weight ).
36.
Last year, Cox teamed up with neurologist Oliver Sacks to speculate that a protein in the cycad seed that is considered a neurotoxin could be accumulating at some step in the food chain to produce the bats'highly toxic dose.
37.
However, liver toxicities can occur at levels as low as 15, 000 IU ( 4500 micrograms ) per day to 1.4 million IU per day, with an average daily toxic dose of 120, 000 IU, particularly with excessive consumption of alcohol.
38.
If NATO strikes at the factory, a cloud with lethal dose of the acid would spread in the 30-kilometer ( 19-mile ) radius, while a cloud with toxic dose would reach 100 kilometers ( 60 miles ) away, probably engulfing neighboring states, Tosovic said.
39.
If NATO strikes the factory, a cloud with a lethal dose of the acid would spread in a 30-kilometer ( 20-mile ) radius, while a cloud with a toxic dose could reach up to 100 kilometers ( 60 miles ) away, probably engulfing neighboring states, Tosovic said.
40.
An estimated 15, 000 people have died in the intervening 14 years as a result of the radiation that spewed into the atmosphere, a toxic dose some scientists believe was equivalent to about 500 times that of the atomic bomb the United States dropped on Hiroshima, Japan, in 1945.
