https://www.salon.com/topic/mark-pertschuk-of-grassroots-change
Mark Pertschuk Of Grassroots Change Archives - Salon.com
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https://drexel.edu/medicine/faculty/profiles/michael-pertschuk/
Michael Pertschuk, MD: Psychiatry - Drexel University College of Medicine
Michael J. Pertschuk, MD, is a clinical professor in the Department of Psychiatry at Drexel University College of Medicine.
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