Health & Environmental Research Online (HERO)

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Data & Software 
Computer Program 
MSW time to tumor model and supporting documentation 
U.S. Environmental Protection Agency :: U.S. EPA 
U.S. Environmental Protection Agency 
Washington, DC 
The multistage Weibull (MSW) time-to-tumor model and related documentation were developed principally (but not exclusively) for conducting time-to-tumor analyses to support risk assessments under the IRIS program. These programs and related documentation are made available publicly to insure that the methods and calculations used for such analyses are transparent and reproducible. 
Computer Program