1. Ahlstrand C, Tiselius HG (1990) Recurrences during a 10-year follow-up after first renal stone episode. Urol Res 18:397–399
2. Tiselius HG (2000) Stone incidence and prevention. Braz J Urol 26:453–462
3. Trinchieri A, Ostini F, Nespoli R, Revera F, Montanari E, Zanetti G (1999) A prospective study of recurrence rate and risk factors for recurrence after first renal stone. J Urol 162:27–30
4. Strohmaier WL (2004) Course of renal stone disease—an epidemiological view. In: Gohel MDI, Wt Au D (eds) Kidney stones: inside and out. Proceedings of the 10th international symposium on urolithiasis. The Hong Kong Polytechnic University, Hong Kong (MDI Gohel), pp 377–385
5. Robertson WG, Peacock M, Nordin BEC (1968) Activity products in stone-forming and non-stone forming urine. Clin Sci 34:579–594