Serum Levels of Wnt/β-catenin Pathway Regulators Dkk-1, PORCN, Notum, and Tiki-1 in Children with Autism Spectrum Disorder. - Coşkun, Fatma; Selen, Ayşegül Tuğba Hira; Kılınç, İbrahim; Kılıç, Ahmet Osman (Clinical Psychopharmacology & Neuroscience, 2026)