21476
Here we report small , intragenic deletions of IGF1R , identified by chromosome microarray analysis in two unrelated families affected primarily with neuropsychiatric phenotypes including developmental delay , intellectual disability and aggressive / autoaggressive behaviors .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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