References
- Daroff R. B., Troost B. T. Upbeat nystagmus. JAMA 1973; 225: 312
- Gilmann N., Baroh R. W., et al. Primary position upbeat nystagmus. Neurology (Mineap) 1977; 27: 294–8
- Ito M. The cerebellum and neural control. Raven Press, N. Y. 1984; 245–9
- Schatz N., Schelzinger H., et al. Vertical upbeat nystagmus on downward gaze: A clinical pathological correlation. Abstract Neurol 1975; 25: 380