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  Indian J Med Microbiol
 

Figure 1: (a) Task 1: Overall panel arranged in the random order for Visual Analog Scale measurement (b) Task 2: Panel arranged in the linear order for choosing one most attractive photograph (c) Task 3: Panel arranged in combination of neutral and smiling photographs in the random order for choosing one most attractive photograph

Figure 1: (a) Task 1: Overall panel arranged in the random order for Visual Analog Scale measurement (b) Task 2: Panel arranged in the linear order for choosing one most attractive photograph (c) Task 3: Panel arranged in combination of neutral and smiling photographs in the random order for choosing one most attractive photograph