Spectrum of stone composition: structural analysis of 1050 upper urinary tract calculi from northern India.
Ansari MS, Gupta NP, Hemal AK, Dogra PN, Seth A, Aron M, Singh TP. Spectrum of stone composition: structural analysis of 1050 upper urinary tract calculi from northern India. Int J Urol. 2005 Jan; 12(1):12-6.