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Histopathologically , typical findings were observed in the cerebella from the control groups , but the findings consistent with early embryonic development were noted in BCNU - exposed cortical dysplasia group .
 Chemical: BCNU; Disease: cortical dysplasia
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: BCNU; Disease: cortical dysplasia