The second edition of this concise hands-on guide to implementing Good Laboratory Practice standards has been fully updated to include the latest changes in the regulatory framework. Particularly the areas of in vitro testing and multi-site studies have undergone considerable developments in recent years. This practice-oriented guide introduces the reader to the background, basic principles, operating procedures and OECD standards. It gives invaluable information on how to avoid pitfalls and save precious time and resources. It will be an essential acquisition for anyone concerned with modern GLP.