1. Tisher CC, Madsen KM: Anatomy of the kidney. In: The Kidney, 5th ed., edited by Brenner BM, Philadelphia, WB Saunders, 1996 , pp 3 –71
2. Venkatachalam MA, Kriz W: Anatomy. In: Pathology of the Kidney, 4th ed., edited by Heptinstall RH, Boston, Little Brown, 1992 , pp 1 –92
3. The granulated peripolar epithelial cell: a potential secretory component of the renal juxtaglomerular complex