1. Murphy WM, Grignon DJ, Perlman EJ, Armed Forces Institute of Pathology (U.S.), Universities Associated for Research and Education in Pathology. Tumors of the kidney, bladder, and related urinary structures. Washington, D.C.: Armed Forces Institute of Pathology;2004. xiii, p. 394.
2. Sadler TW, Langman J. Langman’s medical embryology. 10th ed. Philadelphia: Lippincott Williams & Wilkins;2006. xiii, p. 371.
3. Viana R, Batourina E, Huang H, Dressler GR, Kobayashi A, Behringer RR, et al. The development of the bladder trigone, the center of the anti-reflux mechanism. Development. 2007;134(20):3763–9.
4. Eble JN, World Health Organization., International Agency for Research on Cancer. Pathology and genetics of tumours of the urinary system and male genital organs. Lyon Oxford: IARC Press; Oxford University Press (distributor);2004. p. 359.
5. Epstein JI, Amin MB, Reuter VE, Epstein JI. Biopsy interpretation of the bladder. 2nd ed. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins Health;2010. vii, p. 355.