T. Sahlstrend and B. Petruson, “Postural Effects on Nystagmus Response During Caloric Labyrinthine Stimulation in Patients with Adolescent Idiopathic Scoliosis 77. An Electro-Nystagmographic Study”, ActaO, vol. 50, no. 6, pp. 771–775, Jan. 1979.