Congenital intrinsic proximal jejunal obstruction caused by a mucosal web near the duodenojejunal junction in a neonate: a case report and literature review. - Vranic, Semir; Jonuzi, Asmir; Mesic, Amira; Halilovic, Smail; Redzepagic, Jasmina; Zvizdic, Zlatan (Journal of Surgical Case Reports, 2026)