1799
These results show an inhibitory interaction of early stress , caused by maternal deprivation , combined with ' adolescent ' stress , simulated by corticosterone treatment , on dopaminergic regulation of PPI .
 Chemical: corticosterone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: corticosterone