Laboratory studies in animals are conducted according to good Laboratory Practice(GLP) regulations (21 CFR Section 58). Target animal safety studies are also subject to GLP regulations. The GLP regulations ensure that methods and procedures for collecting, processing and reporting data are standardized and verified for the entire study. GLPs ensure an adequate level of accuracy and quality control. Many GLP requirements are inherent in any well-designed scientific study. On the other hand, adherence to GLP standards does not guarantee the scientific validity of study.