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  Indian J Med Microbiol
 

Figure 1: Mean value of interleukin-1β based on smoking status. The Mann–Whitney test revealed that the level of interleukin-1β between the smoking and the nonsmoking periodontitis subjects was significantly distinct (P = 0.047)

Figure 1: Mean value of interleukin-1β based on smoking status. The Mann–Whitney test revealed that the level of interleukin-1β between the smoking and the nonsmoking periodontitis subjects was significantly distinct (<i>P</i> = 0.047)