"Consumer and environmental protection depend on the careful regulation of all classes of chemicals. Toxicology is the key science used to evaluate safety and so underpins regulatory decisions on chemicals. With the growing body of EU legislation involved in chemical regulation, there is a concomitant need to understand the toxicological principles underlying safety assessments. Regulatory Toxicology in the European Union is the first bo ..."
"Ogbonda G. Echem and L. G. Kabari Additional information is available at the
end of the chapter http://dx.doi.org/10.5772/55604 1. Introduction The herb
known as bitter leaf (Vernonia amygdalina) is a shrub or small tree that can reach
23 feet ..."