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. Author manuscript; available in PMC: 2013 Nov 18.
Published in final edited form as: Psychiatr Genet. 2010 Oct;20(5):10.1097/YPG.0b013e32833a2106. doi: 10.1097/YPG.0b013e32833a2106

Table 1.

Pool composition

Pools of
unique
subjects		 Total
poolsa 		Ethnicity Category No. of subjects
8 16 Caucasian Severe former heroin addicts 200
6 12 Caucasian Controls 150
5 10 African American Severe former heroin addicts 125
4 8 African American Control 100
Total: 23 46 575
a

Each pool was created separately (i.e., in duplicate) from DNA of 25 different subjects to yield a total of 46 pools.