835
Additional therapy with chloroquine ( CQ ) was started because of arthralgia .
 Chemical: chloroquine; Chemical: CQ; Disease: arthralgia
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: chloroquine; Chemical: CQ; Disease: arthralgia