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The basic principles of the phenomenon "erection" have been known since the pioneering work of Kolliker, Eckhard and Langley in the nineteenth century. Nonetheless, under the influence of Freud, erectile dysfunction was predominantly at tributed to psychogenic factors. A more liberal perception of sexuality since the 1960s, the development of new and refined diagnostic techniques, and the expansion of basic research activity resulted in a new concept of erectile dysfunction, identifying arteriogenic, venogenic, endocrinologic or myopathic (cavernous smooth muscle dysfunction) factors. From this research other considerations such as autonomic innervation, cavernous endo thelial intactness or impaired neurotransmitter pool are being introduced into routine clinical assessment. A reevaluation of psychogenic etiology with a consequential new concept of psy chogenic impotence is on the rise. In this book the new concepts of basic knowledge on cavernous smooth muscle function and its supraspinal, spinal, and local control; the new diagnostic approaches in psychogenic and autonomic factors; and the new developments of reconstructive therapeutic options for the patient have been tied together. Outstanding and internationally renowned experts in the field of erectile dysfunction have given detailed insight into the latest basic and clinical developments. Well-established diagnostic and thera peutic techniques are presented by experienced colleagues. We hope that this book will help the reader to get an overview of the current concepts of erection. Furthermore, we hope that international collaboration in basic and clinical research in the field of erectile dysfunction will render an update necessary in the near future.

This volume presents the rich, but under-utilised and in parts inaccessible, archival historic aerial imagery, traditional photographs and those captured from satellites, for the exploration and management of cultural heritage. An unparalleled resource, for archaeologists and all with an interest in landscapes, images spanning the second half of the 20th century provide an unrivalled means of documenting and understanding change and informing the study of the past. Case studies, written by leading experts in their fields, illustrate the applications of this imagery across a wide range of heritage issues, from prehistoric cultivation and settlement patterns, to the impact of recent landscape change. Contemporary environmental and land use issues are also dealt with, in a volume that will be of interest to archaeologists, historians, geographers and those in related disciplines.

"Seven well-known influential authorities - each an active participant in the public debate on the global role of Islam past, present and future - recently presented papers at the first Intercultural Relations Conference sponsored by Forum A. A. Leysen. These important contributions, on the topic Islam Europe: Challenges and Opportunities, are presented in this volume." "Although each contributor speaks from his own distinctive point of view, a common message emerges from all seven texts. Only dialogue - between the West and Islam on the one hand, and within and among societies historically identified with Islam on the other - will overcome entrenched confrontation and negative animosity, and engender new possibilities and understandings. By encouraging free and critical drinking, dialogue paves the way to social equity and the scientific innovation that, potentially, can lead to more prosperity. In the course of the conference all seven talks led to fascinating debates. This book includes the most important questions asked and the speakers' responses. Although the question of how to actually construct the dialogue remains unsettled, this ground-breaking book takes a giant step toward an answer."--BOOK JACKET.