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The work of the Saltpêtrière School had an important influence on most of the great clinicians of the era such as Sigmund Freud , Eugen Bleuler and Joseph Delboeuf .
 Sigmund Freud, Eugen Bleuler, Joseph
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sigmund Freud, Eugen Bleuler, Joseph