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Fig. 3 | BMC Ophthalmology

Fig. 3

From: Quantitative proteomics analysis of vitreous body from type 2 diabetic patients with proliferative diabetic retinopathy

Fig. 3

Principal component analysis (PCA) carried out by R version 3.4.1. a PCA of all proteins. b PCA of significant proteins. A clear difference in protein expression of the PDR group and the control group is displayed and C5 is proved to be unreliable again. The difference among the samples in one group becomes less when significant proteins been taken into account

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