Relationship between smartphone use time, neck disability, headache intensity, and anxiety in university students. Revista Salud, Educación y Sociedad, [S. l.], v. 5, n. 2, p. 43–55, 2026. DOI: 10.64478/44wrxc92. Disponível em: https://revistaseys.ugr.edu.ar/index.php/inicio/article/view/96.. Acesso em: 14 nov. 2026.