Figure 1From: Association between a variation in the phosphodiesterase 4D gene and bone mineral densityOverview of DNA pool-based large-scale association strategy. Phases 1 and 2 are conducted using DNA pools yielding allele frequencies, all subsequent steps involve genotyping of individual samples. hME, homogeneous MassEXTEND; MS, mass spectrometry. See text for more details.Back to article page