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He served on the faculty at the University of Michigan Medical School as assistant professor and tenured associate professor from 1970 – 1978 , and in 1978 he became Assistant Dean for Research Development of the Medical School , and in 1981 was appointed Assistant Vice President for Research for the whole University of Michigan .
 University of Michigan Medical School, Medical, University of Michigan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 University of Michigan Medical School, Medical, University of Michigan