S, A.; Chopra, R. .; Sharma, P. .; Malhotra, S. . A Comparative Study of the Efficacy of PRP Prepared Using Double Spin Technique Versus PRP Prepared Using Turn Down – Turn Up (TD-TU) Technique in Combination With Microneedling in the Treatment of Atrophic Acne Scars. Malaysian Journal of Medical Research 2024, 8, 20-28.