1. Postural Tachycardia Syndrome. In Robertson D, Biaggioni I, Burnstock G, Low P, Paton, editors: Primer on the Autonomic Nervous System, ed 3;Low,2012
2. Maintenance of postural Normotension in Humans;Wieling,2008
3. Orthostatic intolerance: a historical introduction to the pathophysiological mechanisms;Streeten;Am J Med Sci,1999
4. An irritable heart;DaCosta;Am J Med Sci,1871
5. The Soldier's Heart and the Effort Syndrome;Lewis,1919