Adiningtyas, V., M. Y. Listiawan, and L. Astari. “Long Term Effects of Combination of Metabolite Product Amniotic Membrane Stem Cell (MP-AMSC) and Vitamin C After Fractional CO2 Laser for Photoaging Treatment”. Berkala Ilmu Kesehatan Kulit Dan Kelamin, vol. 32, no. 2, July 2020, pp. 85-92, doi:10.20473/bikk.V32.2.2020.85-92.