Urolithiasis is a common disorder which is recognised in most parts of the world and occurs in both man and animals. The multifactorial nature of the problem requires an interdisciplinary approach which has always been a feature of this series of International Symposia which started in Leeds in 1968 and has progressed at four-yearly intervals through Madrid, Davos and Williamsburg. The latest Meeting, at Garmisch-Partenkirchen in April 1984, involved 302 participants from all five continents. The major emphasis of the Meeting was to blend the basic and clinical research on urolithiasis....