The 1.0 version of aot425 is available as a free download on our website. This free software is an intellectual property of Westat. The following version: 1.0 is the most frequently downloaded one by the program users. The software lies within Education Tools, more precisely Science Tools. Aot425.exe is the most common filename for this program's installer.
From the developer:
AOT425 - documentation for conducting the Up-and-Down Procedure, an alternative acute toxicity test that provides a way to determine the toxicity of chemicals with fewer test animals by using sequential dosing steps.
You may want to check out more software, such as f x -Viewer, Trachtenberg Speed Math or MathMatic, which might be similar to aot425.