Takezoe, Toshiko, Wakako Sumiya, Yuichi Mitani, Kayoko Ichimura, Shoichi Tsuzaka, Takashi Tsutsuno, Shoko Ogawa, Yasuhiro Kondo, Kyoichi Deie, and Hiroshi Kawashima. “Retroperitoneal Giant Immature Teratoma Diagnosed at Birth and Treated Post-Neonatally: A Case Report”. Journal of Neonatal Surgery 14, no. 1S (February 10, 2025): 1118–1120. Accessed November 2, 2025. https://mail.jneonatalsurg.com/index.php/jns/article/view/1669.