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. 2010 Sep 17;5(9):e12650. doi: 10.1371/journal.pone.0012650

Table 1. The distribution of carriers of different genotypes of COMT, DAT and DRD2 genes in the sample.

COMT Inline graphic DAT Inline graphic DRD2 Inline graphic
val/val 13 10/10 (9Inline graphic) 22 A1A1 (A1+) 4
val/met 20 10/9 (9+) 21 A1A2 (A1+) 15
met/met 11 9/9 (9+) 1 A2A2 (A1Inline graphic) 24

Inline graphic = total number of subjects.