Chiyoshi Toyama, Hiroto Mizushima, Kenichi Kinjo, Yohei Masunaga, Yasuko Fujisawa, Isao Miyairi, Yukichi Tanahashi, Satoshi Osawa, Toshio Sawai. Surgery for long tubular intestinal duplication with massive hemorrhage: a case report and literature review. Surgical Case Reports. 2024. 10. 1