This volume provides a comprehensive account of the most recent trends in human leukemia, as presented at the Ninth Wilsede Meeting. The internationally renowned contributors deal with all different aspects of these diseases: As well as discussing important clinical aspects of leukemia, new information on the biological basis of leukemia gained using the methods of molecular genetics, cell and molecular biology, virology, and immunology is covered. The book shows both the complexity of leukemia research, as well as the value of basic scientific research in furthering clinical medicine and therapy.