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Forty - five minutes later , the animals were randomly treated with PCC ( 100 U / kg ) or saline i . v . ( n = 12 per group ) .
 Chemical: PCC
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: PCC