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This book will be the first to comprehensively explore the molecular aspects of childhood cancers that make them vulnerable to certain potential therapeutic approaches.

The main objective of this book is to provide an up-to-date survey of the rapidly advancing eld of cancer therapy. Moreover, since our knowledge in this area rapidly evolves, some data have got obsolete during the process of book editing. Our understanding of the mechanisms involved in cancer genesis and progression underwent unprecedented expansion during the last decade, opening a new era of cancer treatment - targeted therapy. The surge in this area results in no small part from studies conducted jointly by basic health scientists and clinical investigators. It is our hope that this book...

1. 1 THE NEEDFOR THIS BOOK- ANACTIVE EXTRACT, WHAT HAPPENS NEXT? All over the world at present there is greatactivity as scientists investi gate plants, micro-organisms, marine creatures and many other forms of life for biological activity. There is a desire to find out more about the interactionsbetweenone organismand another which can be attributed to the chemical substances present in at least one of the species con cerned. The area where activity has been greatest is the effect ofextracts from the flowering plantsonhuman physiology and human pathogens, since this is very relevant to the...

This book will be the first to comprehensively explore the molecular aspects of childhood cancers that make them vulnerable to certain potential therapeutic approaches.

The ionized material that constitutes plasma permeates almost all of the universe beyond the planets and their atmospheres and satellites. This book describes the linear theory of many different waves and instabilities that may propagate in a collisionless plasma. Electrostatic and electromagnetic fluctuations and a variety of instability sources are considered. Applications of the theory are discussed with respect to spacecraft observations in the solar wind, terrestrial magnetosheath, magnetosphere and magnetotail and at the bow shock and magnetopause. Tables at the end of most chapters...