546
The mean duration of therapy with cabergoline was 523 . 5 + / - 129 . 7 days , and the mean duration of therapy with risperidone was 788 . 5 + / - 162 . 5 days .
 Chemical: cabergoline; Chemical: risperidone
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: cabergoline; Chemical: risperidone