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. 2011 May 19;6(5):e20113. doi: 10.1371/journal.pone.0020113

Figure 2. PCA plot based on the bifidobacterial DGGE profiles of faecal samples from the non-secretor (open circles) and secretor (closed circles) individuals (A) and DGGE bands contributing to the principal components 1 and 2 (B).

Figure 2

In panel B, the numbers in bold indicate the band positions, which were significantly less commonly (Fisher's exact test, p<0.01) detected in the non-secretor individuals than in the secretor individuals (See Table 4).