Kutaif , Z. A. H. .; Sheikhzadeh, S. .; Froushani, S. M. A. Expression Levels of Interleukin-1 Beta (IL-1β), Inducible Nitric Oxide Synthase (iNOS), and Tumor Necrosis Factor-Alpha (TNF-α) in Patients With Irritable Bowel Syndrome at Baghdad Hospital, Iraq. J Neonatal Surg 2025, 14, 143-148.