'In summary, this is an excellent resource for the clinician caring for patients with urinary stones, irrespective of practice locale. It provides clear and concise information regarding most clinical issues relevant to this topic. More importantly, it fills a niche by addressing the economic impact of the technological revolution in managing urolithiasis in the developing world, where strategies to confront and adapt to limited resources, including monetary, are neccessary. These are important lessons that are becoming more tangible to those of us practicing in the West.' L.S. Palmer, Pedriatric Nephrology 12:527 (1998)