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. 2013 Mar 6;8(3):e57381. doi: 10.1371/journal.pone.0057381

Figure 1. Library preparation optimization.

Figure 1

A) The standardized library concentration was compared between semi-automated (n = 287) and manual library preparation methods. B) GCRM based z-scores are shown for each of 93 samples. Confirmed euploid samples (n = 83) are shown in gray; confirmed trisomy 21 samples (n = 10) are shown in blue.