Ardhaninggar, A. A., D. Murtiastutik, S. Sawitri, and C. R. S. Prakoeswa. “The Efficacy of Topical Combination Amniotic Membrane Stem Cell Metabolite Product (AMSC-MP) and Vitamin E After Microneedling in Photoaging”. Berkala Ilmu Kesehatan Kulit Dan Kelamin, vol. 32, no. 2, July 2020, pp. 126-33, doi:10.20473/bikk.V32.2.2020.126-133.