1 Elisabeth Kubler-Ross and David Kessler, Life Lessons: Two Experts on Death and Dying Teach Us About the Mysteries of Life and Living (Simon and Schuster, 2012).

2 Ana I. Masedo and M. Rosa Esteve, «Effects of Suppression, Acceptance and Spontaneous Coping on Pain Tolerance, Pain Intensity and Distress», Behaviour Research and Therapy 45, no. 2 (2007): 199–209.

3 Vendela Westin, Richard Ostergren, and Gerhard Andersson, «The Effects of Acceptance Versus Thought Suppression for Dealing with the Intrusiveness of Tinnitus», International Journal of Audiology 47, no. S2 (2008): S112–118.

4 Lance M. McCracken, «Learning to Live with the Pain: Acceptance of Pain Predicts Adjustment in Persons with Chronic Pain», Pain 74, no. 1 (1998): 21–27.

5 Jill T. Levitt, Timothy A. Brown, Susan M. Orsillo, and David H. Barlow, «The Effects of Acceptance Versus Suppression of Emotion on Subjective and Psychophysiological Response to Carbon Dioxide Challenge in Patients with Panic Disorder», Behavior Therapy 35, no. 4 (2004): 747–766.