1. G. M. Franklin, «Stress and Its Relationship to Acute Exacerbations in Multiple Sclerosis», Journal of Neurological Rehabilitation 2, no. 1 (1988).

2. I. Grant, «Psychosomatic-Somatopsychic Aspects of Multiple Sclerosis», in U. Halbriech, ed., Multiple Sclerosis: A Neuropsychiatric Disorder, no. 37, Progress in Psychiatry series (Washington/London: American Psychiatric Press).

3. V. Mei-Tal, «The Role of Psychological Process in a Somatic Disorder: Multiple Sclerosis», Psychosomatic Medicine 32, no. 1 (1970), 68.

4. G. S. Philippopoulous, «The Etiologic Significance of Emotional Factors in Onset and Exacerbations of Multiple Sclerosis», Psychosomatic Medicine, 20 (1958): 458–74.

5. Mei-Tal, «The Role of Psychological Process…», 73.

6. I. Grant, «Severely Threatening Events and Marked Life Difficulties Preceding Onset or Exacerbation of Multiple Sclerosis», Journal of Neurology, Neurosurgery and Psychiatry, 52 (1989): 8–13. «Seventy-seven per cent of the MS group, but only 35 per cent of the control group, experienced marked life adversity in the year prior to the appearance of disease. The excess in marked life stress was most evident in the 6 months before onset… 24 of 39 multiple sclerosis patients (62 per cent) reported a severely threatening event, as compared with six of 40 controls (15 per cent)… Significantly more patients than controls experienced marital difficulties (49 per cent vs. 10 per cent)… Eighteen of 23 first cases and 12 of 16 relapsing cases reported marked adversity».

7. J. D. Wilson., ed., Harrison's Principles of Internal Medicine, 12 ed. (New York: McGraw-Hill, 1999), 2039.

8. L. J. Rosner, Multiple Sclerosis: New Hope and Practical Advice for People with MS and Their Families (New York: Fireside Publishers, 1992), 15.

9. E. Chelmicka-Schorr and B. G. Arnason, «Nervous System — Immune System Interactions and Their Role in Multiple Sclerosis», Annals of Neurology, supplement to vol. 36 (1994), 29–32.

10. Elizabeth Wilson, Jacqueline du Pré (London: Faber and Faber, 1999), 160.