1. Enteric duplication in the adult, derived from the foregut, midgut and hindgut: presentation, patterns and literature review;Hackam;Can J Surg,1997
2. Duplications of the alimentary tract. Clinical characteristics, preferred treatment, and associated malformations;Ildstad;Ann Surg,1988
3. Abubakar AM , Troebs RB . Gastrointestinal duplications. In: Ameh EA, Bickler SW, Lakhoo K, et al., eds. Paediatric Surgery: A Comprehensive Text For Africa, pp. 397–400. Seattle, WA, USA: Global HELP organization. ISBN 978-1-60189-091-7.
4. Upper digestive duplications in adults;Frering;Ann Chir,1995
5. Intestinal duplication in adulthood: a rare entity, difficult to diagnose;Fiorani;World J Gastrointest Surg,2011