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 Indian J Med Microbiol  
 

Figure 9: (a) Principal component analysis plot of Group 2-The first axis explains 34.93% of the variance in shape, whereas the second vertical axis explains 14.49% (b) Group 2: The arrows show the relative movements in shape space of the landmark points according to the Principal component analysis plot axes

Figure 9: (a) Principal component analysis plot of Group 2-The first axis explains 34.93% of the variance in shape, whereas the second vertical axis explains 14.49% (b) Group 2: The arrows show the relative movements in shape space of the landmark points according to the Principal component analysis plot axes