4371
Steroids were given to 39 % of patients for refractory rejection , but weaning was always attempted and generally successful ( 64 % ) .
 Chemical: Steroids
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: Steroids