Genji Imokawa. Hyaluronan in the Skin: Mechanisms of Age-Dependent and UVA-Provoked Down-Regulated Secretion of Hyaluronan by Human Dermal Fibroblasts and Prospective Agents to Ameliorate the Hyaluronan Deficiency in Chronologically Aged Skin and Photo-aged Skin. HSMADUPDRSHHDFPAAHDCASPS [Internet]. 2021 Nov. 24 [cited 2026 Jun. 21];:1-93. Available from: https://stm.bookpi.org/HSMADUPDRSHHDFPAAHDCASPS/article/view/5020