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Incorrect Reference. In the Picture of the Month entitled "Congenital Hypoplasia of the Depressor Anguli Oris Muscle," published in the March 1996 issue of the Archives (1996;150:325-326), an error appeared. The prospective study of 6487 newborns, 44 of whom were found to have this anomaly, was cited incorrectly as reference 9 by Levin et al. The correct reference was 5 by Alexiou et al.
Correction. Arch Pediatr Adolesc Med. 1996;150(11):1159. doi:10.1001/archpedi.1996.02170360049007