[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
Sign In
Individual Sign In
Create an Account
Institutional Sign In
OpenAthens Shibboleth
[Skip to Content Landing]
Special Feature
January 1998

Picture of the Month

Author Affiliations


Arch Pediatr Adolesc Med. 1998;152(1):89-90. doi:10.1001/archpedi.152.1.89

THREE SIBLINGS are depicted in Figure 1. The girl, aged 9 years, is flanked by her 8-year-old fraternal twin brothers. The twin on the left of the photograph is mentally retarded and the twin on the right is not.