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J Ment Defic Res. 1982 Mar;26(Pt 1):3-9.

The Sydney line and the simian line: the incidence in Down's syndrome patients with mental retardation and Japanese controls.

Abstract

The frequencies of the Sydney line and the simian line on the palms of 694 normal Japanese subjects (500 males and 194 females), 180 with Down's syndrome (113 males and 67 females) and 107 with mental retardation (62 males and 45 females) were studied and the following conclusions were obtained: the frequency of the Sydney line tends to be lower in normal Japanese controls than in Australian and North American controls, and the simian line tends to be higher in normal Japanese controls than in Australian and North American controls. Of these two palmar creases, the simian line is more useful in identification of Down's syndrome patients than is the Sydney line in the Japanese population.

PMID:
6210778
[Indexed for MEDLINE]

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