1. Renal calculi: pathogenesis, diagnosis, and medical therapy;Preminger;Semin. Nephrol.,1992
2. The medical aspects of urolithiasis: an overview;Smith;J. Urol.,1989
3. Statistiche della Sanità. Roma: ISTAT; 1992–1995.
4. Medical prevention of renal stone disease;Pak;Nephron,1999
5. Robertson WG. The economics of urinary stone management. In: Borghi L, Meschi T, Briganti A, Schianchi T, Novarini A, editors. Proc. 8th Eur Symp on Urolith, Parma, Italy, June 1999. Cosenza: Editoriale Bios; 1999. p. 169–72.