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  Indian J Med Microbiol
 

Figure 2: Atrophic acne scars of representative patients showed notable improvement in all types. (a and d) before treatment (baseline), (b and e) after 18 weeks of PCI treatment, (c and f) after 26 weeks (at the end of study)

Figure 2: Atrophic acne scars of representative patients showed notable improvement in all types. (a and d) before treatment (baseline), (b and e) after 18 weeks of PCI treatment, (c and f) after 26 weeks (at the end of study)