1. A new approach to ureteral stone manipulation for ESWL;Lupu;Endourology Newsletter,1986
2. Treatment of ureteral stone disease: the role of ESWL and endourology;Miller;World J. Surg.,1985
3. Endoscopic ureteric stone extraction. Experience with the short ureteroscope;Tolley;Br. J. Urol.,1987
4. Endoscopic treatment of upper urinary tract stones;Tolley;Ann. R. Coll. Surg. Engl.,1986