5727
We investigated appetitive and consummatory aspects of sexual behavior in male rats that were exposed to chronic social instability stress ( SS , n = 24 ) for 16 days in mid - adolescence compared to control rats ( CTL , n = 24 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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