2864
Acute morphine treatment did not increase the locomotor activity of mice withdrawn for 1 day , after withdrawal for 3 days the increase was similar to that in controls , and after 5 days the increase was clearly larger than in controls .
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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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