3893
In situ hybridization histochemistry , using a digoxigenin - labeled GAD cRNA probe , demonstrated a substantial decrease in the number of GAD mRNA - containing neurons in the hilus of the dentate gyrus in the pilocarpine - treated rats as compared to controls at all time intervals .
 Chemical: digoxigenin; Chemical: pilocarpine
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: digoxigenin; Chemical: pilocarpine