S, A., R. . Chopra, P. . Sharma, and S. . Malhotra. “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 (MJMR), vol. 8, no. 4, Oct. 2024, pp. 20-28, doi:10.31674/mjmr.2024.v08i04.003.