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Absent speech
- ... contribute to the developmental delay, intellectual disability, and absent or severely delayed speech characteristic of people with 22q13.3 deletion syndrome. ...
- ... phenotype consists of postnatal microcephaly, severe mental retardation, absent language, dyskinesia, and corpus callosum hypogenesis. J Med ...
- ... enzyme that does not function properly. Impaired or absent DYRK1A enzyme function likely leads to abnormal regulation ...