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To the Editor:—I wish to comment on the article appearing in the May issue of A.M.A. Journal of Diseases of Children, namely Bilirubinemia in Nonerythroblastotic Premature Infants. I have read the article carefully and I cannot find reference to the dates in which the information was collected nor the age at which the final examination for evidence of kernicterus was made on these infants. It seems to me that this alone throws out the value of the article inasmuch as children develop evidence of central nervous system disease far beyond the newborn period. Even in children with anhydrocephaly it may be hard to detect on physical examination anything wrong with the brain during the first week of life. In our neurological diagnostic clinic where we follow the children indefinitely in the longitudinal study, we find that we must be hesitant about making predictions on any child who may have