6Bousquet PJ, Combescure C, Neukirch F. Visual analog scales can assess the severity of rhinitis graded according to ARIA guide- lines. Allergy, 2007, 62: 367-372.
7Valdivia JG, Valle J, Lopez JA, et al. Technique and complica-tions of percutaneous nephroseopy: experience with 557 patients in the supine position. J Urol, 1998, 160: 1975-1978.
8Amon Sesmero JH, del Valle Gonzalez N, Conderedondo C. Com- parison between valdivia position and prone position in percutane- ous nephrolithotomy. Actas Urol Esp, 2008, 32 : 424-429.
9Gesualdo L, Cormio L, Stallone G, et al. Percutaneous ultra- sound-guided renal biopsy in supine antero-lateral position: a new approach for obese and non-obese patients. Nephrol Dial Trans- plant, 2008, 23: 971-976.
10Atici S, Zeren S, Aribogan A. Hormonal and hemodynamic chan- ges during percutaneous nephrolithotomy. Int Urol Nephrol, 2001, 32: 311-314.