2107
White female cases were more likely to have worked as registered nurses than were the controls ( OR = 1 . 9 , 95 % CI = 1 . 0 - 3 . 5 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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