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Welcome to the Experimental Design Assistant, a free resource from the NC3Rs to support researchers in the planning of animal experiments - ensuring robust study design and reliable and reproducible findings.

The EDA consists of a web application and a supporting website; benefits include:
•The ability to build a stepwise visual representation of your experiment
•Feedback and advice on your experimental plan 
•Dedicated support for randomisation, blinding and sample size calculation
•Practical information to improve knowledge of experimental design
•Improved transparency of your experimental design, allowing you to share and discuss your plan with colleagues and collaborators

ATLA is published by  FRAME, and has been a key scientific journal in the field of laboratory animal alternatives for more than 30 years. Circulated worldwide, ATLA is distributed to individuals, organisations and institutions. It covers the  latest research relating to alternatives to the use of laboratory animals.

 Find Human tissue samples online using the UKCRC Tissue Directory.

This section of the Three Rs microsite provides useful links and information to help visitors easily find a wide range of resources.

ALTEX publishes original articles, short communications, and reviews, as well as news and comments, meeting reports, and book reviews. Animal experiments are defined by the editors as all experimental procedures involving the use of animals in testing, research, and education, or to obtain tissues, organs, and other animal derived products that may cause pain or distress to animals..

A consensus based on an initiative by CephRes, FELASA and the Boyd Group.