1. Langley JN. The Autonomic Nervous System: Part I Cambridge, United Kingdom: Heffer; 1921
2. Low PA, ed. Clinical Autonomic Disorders: Evaluation and Management 2nd ed. Philadelphia, PA: Lippencott Raven; 1997
3. Robertson D, Biaffioni I, Burnstock G, Low PA, eds. Primer of the Autonomic Nervous System San Diego, CA: Elsevier Academic Press; 2004
4. Appenzeller O. The Autonomic Nervous System Amsterdam, Netherlands: Elsevier Science; 1990
5. Dancis J. Familial dysautonomia (Riley-Day syndrome). In: Bannister R, ed. Autonomic Failure: A Textbook of Clinical Disorders of the Autonomic Nervous System Oxford, United Kingdom: Oxford University Press; 1983:615–639