Min, S., Yong Park, S., Young Yoon, J., Hoon Kwon, H., & Hun Suh, D. (2015). Fractional Microneedling Radiofrequency Treatment for Acne-related Post-inflammatory Erythema. Acta Dermato-Venereologica, 96(1), 87–91. https://doi.org/10.2340/00015555-2164