The LD50 test is one of the most controversial and inhumane experiments endured by laboratory animals. “LD” stands for “lethal dose”; the “50” means that half the animals, or 50 ...

When scientists want to understand how dangerous a toxic substance is, they use something called the "median lethal dose" or LD50. This tells us how much of the substance it takes to be deadly.

Drug companies should stop using a classic toxicity test, lethal dose 50 (LD50), to inform clinical trials, according to authors in an upcoming journal of Regulatory Toxicology and Pharmacology ...

The LD50 (Lethal Dose, 50%) – the amount needed to kill 50% of the test population – is how toxicity is most often assessed, and is usually quoted per kilogram of body weight.

There's a thing known as the "median lethal dose" for pretty much all foreign chemicals we humans use and occasionally put in our bodies; it's called an LD50 rating.

Discover showtimes, read reviews, watch trailers, find streaming options, and see where to watch LD 50 Lethal Dose (2003). Explore cast details and learn more on Moviefone.

Signs of a sub-lethal dose include hind limb ataxia, depression, extensor rigidity, opisthotonus, lateral recumbency and vomiting. High doses may bring about severe muscle fasciculations, hind limb ...

A group of young animal rights activists break into an animal research facility in order to get video footage of grisly experiments for their "LD-50" website. The group leader, Gary, gets caught in a ...