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 Indian J Med Microbiol  
 

Figure 2: Representative photographs of volunteers' lips (a and e) before treatment, (b and f) 2 weeks after treatment, (c and g) 12 weeks after treatment and (d and h) 24 weeks after treatment

Figure 2: Representative photographs of volunteers' lips (a and e) before treatment, (b and f) 2 weeks after treatment, (c and g) 12 weeks after treatment and (d and h) 24 weeks after treatment