3133
This treatment with CBZ had no apparent adverse effect on folate concentrations in the rat , and , indeed , the folate concentration increased in liver after 6 weeks of treatment and in plasma at 8 weeks of treatment .
 CBZ, folate, folate
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 CBZ, folate, folate