El Refaei, A., Mustafa, A., Mahdy, M. (2020). 'Micro Needling with Platelet Rich Plasma Versus Fractional CO2 Laser with Platelet Rich Plasma in Patients with Post Acne Scars', Benha Journal of Applied Sciences, 5(Issue 6 part (1)), pp. 119-126. doi: 10.21608/bjas.2020.137124