2485
A cross - sectional evaluation of the effect of risperidone and selective serotonin reuptake inhibitors on bone mineral density in boys .
 Chemical: risperidone; Chemical: serotonin
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: risperidone; Chemical: serotonin