A split face comparative study to evaluate the efficacy of skin microneedling and platelet rich plasma (PRP) combination versus skin microneedling alone for treatment of post acne scars. J Pak Assoc Dermatol [Internet]. 2020 Oct. 1 [cited 2026 Aug. 2];30(3):449-55. Available from: https://www.jpad.com.pk/index.php/jpad/article/view/1480