Cite this article as: Pekal Y, Koyuncu E, .zdemir .M, .ETİN GO, Turgut M. Novel NALCN mutation: Fentanyl sensitivity, intestinal atresia, and hypotonic infant. Turk Arch Pediatr. Published online December 23, 2025. doi:10.5152/TurkArchPediatr.2025.25233.

