1. Avicenna-cited in Jarocho S, The Concept of Heart Failure from Avicenna to Albertini. Harvard University Press, Cambridge, 1980, p 6.
2. Thos Willis: Opera Omnia, Huguetan, Lyons, 1681.
3. Schottstaedt WW, Grace WJ, Wolff HG: Life Situations, Behavior Patterns, and Renal Excretion of Fluid and Electrolytes. JAMA 157: 1485–1488, 1955.
4. Heberden 1768 cited by Stainbrook E: In Evolution of Psychosomatic Concepts. Kaufman MR, Heiman M (Eds) International University Press, New York, 1964.
5. Rougnon 1768 cited by Stainbrook E: In Evolution of Psychosomatic Concepts, Kaufman MR, Heiman M, (Eds) International University Press, New York, 1964.