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From 1919 until his retirement , he was Dr Lee 's Professor of Anatomy at Oxford ( the first to hold that title ) and also held a fellowship at Christ Church , Oxford .
 Oxford, Christ Church , Oxford
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Oxford, Christ Church , Oxford