Alterations of fractional anisotropy and white matter integrity in irritable bowel syndrome: a systematic review and meta-analysis of diffusion tensor imaging studies - Asadi Anar, Mahsa; Hassanpour Adeh, Aydin; Peiravi, Samira; Imani Porshokouh, Alireza; Rezazadeh Shojaee, Seyedeh Sara; Najafi, Farnaz; Pishkari, Yasamin; Rahimi, Arash; Karami, Shaghayegh (Frontiers in Neuroscience, 2024)