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  Indian J Med Microbiol
 

Figure 3: Qualitative analysis of Amomi fructus from different grades based on principal component analysis. (A1), (A2), (A3), and (A4) were Grade A samples; (B5) and (B6) were Grade B samples; (C7) and (C8) were Grade C samples

Figure 3: Qualitative analysis of Amomi fructus from different grades based on principal component analysis. (A1), (A2), (A3), and (A4) were Grade A samples; (B5) and (B6) were Grade B samples; (C7) and (C8) were Grade C samples