Siti Efrida Fiqnasyani, et al. “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, vol. 7, no. 3, Apr. 2023, pp. 3185-90, https://doi.org/10.37275/bsm.v7i3.790.