Kim, M. W., Jang, S., Yoon, H.- sun, Cho, S. and Park, H.- sun (2019) “Correction of glabellar protrusion after botulinum toxin injection for forehead wrinkles”, Journal of Surgical Dermatology, 5(1), pp. 23-24. doi: 10.18282/jsd.v1.i1.22.