1. Baker SB. The blood supply to the renal papillae. Br J Urol. 1959;31:53–9.
2. Bonsib SM. Renal anatomy and histology. In: Jennette JC, Olson JL, Schwartz MM, Silva FG, editors. Heptinstall’s pathology of the kidney. 6th ed. Philadelphia: Lippincott Williams & Wilkins; 2007. p. 1–70.
3. Bonsib SM. Non-neoplastic disease of the kidney. In: Bostwick DG, Cheng L, editors. Urologic surgical pathology. 2nd ed. St. Louis: Mosby/Elsevier; 2008. p. 1–76.
4. Bowman W. On the structure and use of the malpighian bodies of the kidney, with observations on the circulation through that gland. Philos Trans R Soc Lond B Biol Sci. 1842;132:57–80.
5. Brodel M. The intrinsic blood vessels of the kidney and their significance in nephrotomy. Bull Johns Hopkins Hosp. 1901;12:10–3.