1 Sanddrasegaran K, Patel A, Vogel EL, Zyromski NJ, Pitt HA. Annular Pancreas in Adults. AJR. 2009;192:455–60.
2 Rondelli F, Bugiantella W, Stella P,Boni M, Mariani E, Crusco F, et al. Symptomatic annular pancreas in adult: Report of two different presentations and treatments and review of the literature. Int J Surg Case Rep. 2016;20(Suppl): 21–4.
3 Maker V, Gerzenshtein J, Lerner T. Annular pancreas in the adult: two case reports and review of more than a century of literature. Am Surg. 2003;69(5):404–10.
4 Zyromski NJ, Sandoval JA, Pitt HA, Ladd AP, Fogel EL, Mattar W, et al. Annular pancreas: dramatic differences between children and adults. J Am Coll Surg. 2008;206(5):1019–25.
5 Kumar RB, Hulvat MC, Newman BM, Muraskas JK. Annular pancreas in identical twin newborns. J Pediatric Surg. 2006;41:E19–E21.
6 Hebrocks M, Kim SK, St-Jacques B, McMahon AP, Melton DA. Regulation of pancreas development by hedgehog signaling. Development. 2000;127:4905–13.