Ileal duplication cyst associated with heterotopic pancreas: Report of a case and a literature review. - Sato,T.; Oyamada,M.; Chiba,H.; Koide,S.; Yuyama,Y.; Watabe,K.; Denno,R.; Ueda,D.; Sato,N.; Mori,M. (Acta Pathol Jpn, 1993)