Siti Efrida Fiqnasyani, Elistasari, E.Y. and Nurrachmat Mulianto 2023. The Effect of UVB Exposure at Collagen Density and Dermal Thickness of Wistar Rats: A Pilot Study. Bioscientia Medicina : Journal of Biomedicine and Translational Research. 7, 3 (Apr. 2023), 3185-3190. DOI:https://doi.org/10.37275/bsm.v7i3.790.