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This volume comprises the proceedings of the sixth in a series of International Symposia devoted to basic and clinical aspects of urolithiasis. Previous symposia have been held at intervals of four years in Leeds, Madrid, Davos, Williamsburg, and Garmisch-Partenkirchen. The sixth symposium was held in Vancouver, British Columbia and was attended by over 250 participants from 26 countries around the world. As may be seen from the contents of this volume, the meeting covered many aspects of urolithiasis including the underlying physiology, crystal formation and the effects of inhibitors and promoters on crystallization, endocrinology and abnormalities of urinary composition, analyses, geograph...
In 1968 Drs. B. E. C. Nordin and A. Hodgkinson organized the First International Symposium on Urolithiasis Research in Leeds, England. One hundred and five participants from continental Europe, Great Britain, and the United States met to review their work and exchange ideas regarding the formation of urinary calculi. This meeting achieved several important goals. It pulled together a nidus of workers in the many scientific disciplines that relate to urolithiasis. This nidus served as the seed for research growth in a complex, interdisciplinary field. It established a forum for con tinuing communication in urolithiasis research with subsequent sym posia being held every 4 years. The Williamsb...
Few wartime cities in Virginia held more importance than Petersburg. Nonetheless, the city has, until now, lacked an adequate military history, let alone a history of the civilian home front. The noted Civil War historian A. Wilson Greene now provides an expertly researched, eloquently written study of the city that was second only to Richmond in size and strategic significance. Industrial, commercial, and extremely prosperous, Petersburg was also home to a large African American community, including the state's highest percentage of free blacks. On the eve of the Civil War, the city elected a conservative, pro-Union approach to the sectional crisis. Little more than a month before Virginia'...
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In this major synthesis of cross-cultural research, 34 distinguished scientists study 25 common metabolic and degenerative diseases characteristic of all advanced Western nations and then examine their incidence in developing countries, among both hunter-gatherers and peasant agriculturalists. Thus the authors provide a unique opportunity to compare epidemiological data reflecting modern modes of life with data influenced by habits and diets dating back 400 generations to the advent of agriculture, and even 200,000 generations or more to the dawn of man. The results confirm the view that diseases like hypertension, lung cancer, diverticular disease, and appendicitis are maladaptations to env...
In recent years, a growing interest has prompted increasing numbers of research publications and scientific conferences on the subject of urolithiasis. The aims of this symposium were three: a) to review and inte grate recent progress in major subject areas, b) to discuss current research developments and c) to stimulate interchange between investigators in Europe and in America. In a series of morning lectures, invited, recognized experts presented comprehensive reviews of major fields of urolithiasis research such as the physical chemistry of crystal formation, the metabolism of stone forming substances, and modes of therapy. A special emphasis was given to general renal physiology and the...
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normal and pathological mineralization in vertebrates but also with the interesting problems involved in the formation of in tracellular deposits of calcium oxalate in plants. Here cal cium carbonate and silica may also be involved in the mineral ization processes. Calcium carbonate is an important component in the formation of mollusc and avian shells. The observation that both calcite and aragonite may be formed in biogenic cal cium carbonate raises important questions as to what factors control the formation of the final mineral phase. There is little doubt that thermodynamically less stable phases may be kinetically stabilized for long periods of time by other mole cules present in vivo....