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Results obtained revealed that rats treated with doash tea and given a single dose of the heterocyclic amines , whether for 1 day ( short - term ) or for 1 month ( long term ) , showed a statistically significant decrease in their excretion of indirect mutagens ( IQ or PhIP ) .
 Chemical: heterocyclic amines; Chemical: PhIP
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: heterocyclic amines; Chemical: PhIP