1. Editorial

   • P. Alken

   EditorialNotes Pages: 153 - 154

2. Urinary inhibitors of calcium oxalate crystallization and their potential role in stone formation

   • R. L. Ryall

   OriginalPaper Pages: 155 - 164

3. Current aspects of epidemiology and nutrition in urinary stone disease

   • A. Hesse
   • R. Siener

   OriginalPaper Pages: 165 - 171

4. Prospective therapeutic studies in nephrolithiasis

   • D. K. Ackermann

   OriginalPaper Pages: 172 - 175

5. Risk formulas in calcium oxalate urolithiasis

   • Hans-Göran Tiselius

   OriginalPaper Pages: 176 - 185

6. Genes in idiopathic calcium oxalate stone disease

   • Harold O. Goodman
   • Robert Brommage
   • Ross P. Holmes

   OriginalPaper Pages: 186 - 194

7. Treatment update on pediatric urolithiasis

   • T. Esen
   • A. Krautschick
   • P. Alken

   OriginalPaper Pages: 195 - 202

8. Multiple primary tumors: 17 cases of renal-cell carcinoma associated with primary tumors involving different steroid-hormone target tissues

   • F. Di Silverio
   • A. Sciarra
   • A. De Vico

   Free Paper Pages: 203 - 209

9. Announcements

   Announcement Pages: 210 - 210

10. Erratum

    • U. Jonas
    • K. Höfner
    • the participants of the international study group

    Erratum Pages: 210 - 210