1638
Levetiracetam as an adjunct to phenobarbital treatment in cats with suspected idiopathic epilepsy .
 Chemical: Levetiracetam; Chemical: phenobarbital; Disease: idiopathic epilepsy
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: Levetiracetam; Chemical: phenobarbital; Disease: idiopathic epilepsy