Profiles in volunteerism Gary Heit, MD, PhD, and Americare Neurosurgery International.
Cheatham
Mel
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D049673:History, 20th Century; D006801:Humans; D008493:Medical Missions / Q000266:history*; D009493:Neurosurgery / Q000266:history*; D010568:Peru; D014481:United States; D014838:Volunteers / Q000266:history*