Comparative analysis of collagen-stimulating effects of poly-L-lactic acid, poly-D, L-lactic acid, and polycaprolactone subcutaneous injections in porcine model. - Huang, Jeff Cheng-Chieh; Li, Jason Chien-Nien; Avelar, Luiz Eduardo Toledo; Haddad, Alessandra; Lam, Stephanie; Lee, Leon Tsung-Ju (Dermatologica Sinica, 2025)