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Gregg D. Jacobs, Ph.D., is an assistant professor of psychiatry at Harvard Medical School and a Senior research scientist with the Mind/Body Institute of Harvard Medical School.
Gregg D. Jacobs
The bestselling guide to curing insomnia without drugs by "a pioneer" of the field, now updated with the latest research (The Wall Street Journal)For the past ten years,...
© 2014 Macmillan
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