Saeed, Wajieha, et al. “Efficacy and Safety of Carbon Dioxide Ablative Fractional Resurfacing (CO2-AFR) Device in Moderate to Severe Atrophic Acne Scars”. Annals of King Edward Medical University, vol. 23, no. 1, Mar. 2017, doi:10.21649/akemu.v23i1.1507.