Massidda, Enrico, and Annalisa Calisti. “Progressive Treatment of Lower Third of the Face Laxity Using Different Forms of Poly-1-Lactic Acid (PLLA), from a Solution to Threads”. Aesthetic Medicine 9, no. 1 (April 15, 2023): e2023003. Accessed September 23, 2023. https://www.mattioli1885journals.com/index.php/aestheticmedicine/article/view/14728.