1563
Dexamethasone ( 10 microg / kg per day , s . c . ) or saline was started after 4 days in Ato - treated and non - treated rats and continued for 11 - 13 days .
 Dexamethasone, Ato
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Dexamethasone, Ato