1. Laboratory evaluation of autonomic function;Low,1997
2. Autonomic testing;Freeman,2002
3. Quantitative sensory testing;Yarnitsky;Muscle Nerve,1997
4. Quantitative sensory testing;Stewart,2002
5. Assessment: clinical autonomic testing report of the Therapeutics and Technology Assessment Subcommittee of the American Academy of Neurology;Neurology,1996