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. Author manuscript; available in PMC: 2007 Apr 13.
Published in final edited form as: Neuropsychopharmacology. 2006 Mar 15;31(10):2264–2272. doi: 10.1038/sj.npp.1301055

Table 1.

Demographic Measures

ll genotype ss genotype Statistic
N (male) 15 (8) 15 (9) χ12<1
Age 29.2 (9.0) 24.3 (5.0) t23.2 = 1.8, p = NS
NART IQ 115.1 (6.2)  117.0 (7.3)  t28<1

Numbers represent mean values (SD).