1. Kidney stones: A global picture of prevalence, incidence, and associated risk factors;Romero;Rev Urol,2010
2. Time trends in reported prevalence of kidney stones in the United States: 1976–1994;Stametelou;Kidney Int,2003
3. A correlation study of urinary calculus disease;Malhotra;Indian J Med Sci,1968
4. Chemical Analysis of Urinary Calculi in Chandigarh Area;Thind;Indian J Med Sci,1969
5. Urolithiasis incidence of urinary calculi in south eastern Rajasthan: Report of 1144 cases;Kabra;Indian J Surg,1972