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Gordon J. G. Asmundson
Gordon John Glenn Asmundson is a Canadian psychologist and professor of psychology at the University of Regina. Asmundson is recognized for his research on anxiety, chronic pain, and posttraumatic stress, as well as for his recent work on the psychology of pandemics.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

It's Not All in Your Head
2005
ISBN 9781593851460
Health Anxiety
2001
ISBN 9780470848203