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Joanna Antonina Flatau ( February 4 , 1928 in Warsaw , Poland - April 19 , 1999 in Warsaw ) was a Polish psychiatrist .
 Joanna, Flatau
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Joanna, Flatau