Table 1

Genes featured in the validation experiment

Low

Medium

High

PIK3

ATP5L

ACTB

ZCCH7

PNN

GAPDH

POLH

DDR1

GNAS

Genes that featured in the validation experiment were selected based on demonstrated levels of 'high', 'medium' and 'low' expression.

Mar et al. Genome Biology 2006 7:R119   doi:10.1186/gb-2006-7-12-r119