BETHGE, E. W. Central pain pathways. Colombia Medica, [S. l.], v. 19, n. 4, p. 155–158, 1988. DOI: 10.25100/cm.v19i4.6235. Disponível em: http://colombiamedica.univalle.edu.co/index.php/comedica/article/view/6235. Acesso em: 7 dec. 2025.