1. The renal sinus, pelvicalyceal system, and ureter;Zagoria,1997
2. Renal sinus and periureteral abnormalities;Davidson,1999
3. The renal sinus: pathologic spectrum and multimodality imaging approach 1;Rha;RadioGraphics,2004
4. Wein AJ, Kavoussi LR, Novick AC, Partin AW, Peters CA. Campbell-Walsh Urology. vol. I. 9th ed. Saunders; 2007. p. 24.
5. Urine concentration and dilution: regulation of extracellular fluid osmolarity and sodium concentration;Hall,2011