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Five 1 - week - old Holstein bull calves that were given the same oral inoculation of E . coli O157 : H7 , but not the dexamethasone injections , served as controls .
 Anatomy: oral
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: oral