1. Low PA. The effect of aging on the autonomic nervous system. In: Low PA, ed.Clinical Autonomic Disorders: Evaluation and Management. Boston: Little, Brown and Company, 1993; 685–700.
2. Fealey RD, Robertson D. Management of orthostatic hypotension. In: Low PA ed.Clinical Autonomic Disorders: Evaluation and Management. Boston: Little, Brown and Company, 1993; 731–743.
3. Low PA. Neurogenic orthostatic hypotension. In: Johnson R, ed.Current Therapy in Neurologic Disease, 4th edn. Philadelphia: Mosby Year Book, 1994; 21–26.
4. Sheps SG. Use of an elastic garment in the treatment of orthostatic hypotension.Cardiology 1976;61(suppl. 1): 271–279.
5. Anonymous Consensus statement on the definition of orthostatic hypotension, pure autonomic failure, and multiple system atrophy.Neurology 1996;46: 1470.