Task: Named Entity Recognition
Input (English):  IGF - I levels were measured in the CSF of 11 children with autism ( 4 females , 7 males ; mean age 3 . 8 years , SD 1 . 1 ) using a sensitive radioimmunoassay method and compared with levels in 11 control participants ( 6 females , 5 males ; mean age 3 . 8 years ) .
Output (English): IGF - I