IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-11-32070 Original Research Paper A COMPARATIVE STUDY OF COMBINED MICRONEEDLING WITH PLATELET RICH PLASMA VERSUS MICRONEEDLING ALONE IN ACNE SCAR Yogesh Patel Dr. Dr. D. D. Umrigar Dr. November 2020 9 11 01 02