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Modern sonography makes possible the detection of small and subtle changes in the normal echo pattern. These may represent significant pathological changes which can not al- ways be fully revealed by the echo pattern alone. There is, therefore, an increasing need for the supplement of the ultra- sonically guided percutaneous puncture, which can be per- formed with great accuracy and with virtually no risk. Also, ultrasonically guided puncture has proven invaluable for a wide variety of therapeutic purposes. The first percutaneous puncture guided by ultrasonic scanning using a specifically...

Today a billion people, including about 340 million of the world's extreme poor, are estimated to live in 'fragile states'. This group of low-income countries are often trapped in cycles of conflict and poverty, which make them acutely vulnerable to a range of shocks and crises.

This engaging book defines and clarifies what we mean by fragile states, examining their characteristics in relation to "weak" and "failed" states in the global system, and explaining their development from pre-colonial times to the present day. It explores the connections between fragile statehood and violent...