1242
Thirty - three children after dexamethasone treatment were matched to 33 children without dexamethasone treatment .
 Chemical: dexamethasone; Chemical: dexamethasone
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: dexamethasone; Chemical: dexamethasone