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In 1898 , French surgeon Eugène-Louis Doyen invited Bolesław Matuszewski and Clément Maurice and proposed them to recorded his surgical operations .
 Eugène-Louis Doyen, Bolesław Matuszewski, Clément Maurice
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Eugène-Louis Doyen, Bolesław Matuszewski, Clément Maurice