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  Indian J Med Microbiol
 

Figure 1: Box and Whisker plot of PHQ-9 and global PSQI score with severity of COPD. The boxes represent interquartile range while whisker displays the range

Figure 1: Box and Whisker plot of PHQ-9 and global PSQI score with severity of COPD. The boxes represent interquartile range while whisker displays the range