4492
OBJECTIVE : To study the effect of folic acid - containing multivitamin supplementation in epileptic women before and during pregnancy in order to determine the rate of structural birth defects and epilepsy - related side effects .
 Chemical: folic acid; Disease: epileptic; Disease: birth defects; Disease: 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: folic acid; Disease: epileptic; Disease: birth defects; Disease: epilepsy