1218
In contrast , there was no association between the expression of AP - 2alpha or AP - 2beta and the level of ErbB - 3 , or between AP - 2alpha and AP - 2gamma double positivity and ErbB - 3 expression .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 None