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May 1970

Mental Retardation With Absent Fifth Fingernail and Terminal Phalanx

Author Affiliations

San Francisco and Eldridge, Calif
From the Sonoma State Hospital, Eldridge, Calif and the Department of Pediatrics, University of California School of Medicine, San Francisco.

Am J Dis Child. 1970;119(5):433-439. doi:10.1001/archpedi.1970.02100050435009

Three small and severely retarded girls lack the nail and terminal phalanx of the little finger. The nails and distal phalanges of the lateral toes are hypoplastic or missing. Many other anomalies are present. There are no other affected persons in the families, and the cause of the syndrome has not been found.