Atypical Lindsay-Hemenway syndrome in a patient with Klippel-Feil syndrome: a new association? Case report and etiopathogenic review. - Martín Moreno, Vicente; Alonso Serna, Beatriz; Martín Fernández, Amanda; Coaquira Condori, Elizabeth Rosario; Sánchez Prida, Natalia (Journal of Rare Diseases, 2026)