Yaseen, Ummer, Shazia Shah, and Aquisa Bashir. 2017. “Combination of Platelet Rich Plasma and Microneedling in the Management of Atrophic Acne Scars”. International Journal of Research in Dermatology 3 (3):346-50. https://doi.org/10.18203/issn.2455-4529.IntJResDermatol20173691.