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  Indian J Med Microbiol
 

Figure 2: Correlation of gingival index, probing pocket depth, and clinical attachment level with pack years in all studied subjects (n = 29) and correlation of cotinine, mRNA expression and plaque index with pack years in all studied subjects (n = 29)

Figure 2: Correlation of gingival index, probing pocket depth, and clinical attachment level with pack years in all studied subjects (<i>n</i> = 29) and correlation of cotinine, mRNA expression and plaque index with pack years in all studied subjects (<i>n</i> = 29)