Asiaticoside Induces Human Collagen I Synthesis through TGFβ Receptor I Kinase (TβRI Kinase)-Independent Smad Signaling - Lee, Jongsung; Jung, Eunsun; Kim, Youngji; Park, Junho; Park, Jinil; Hong, Sungtaek; Kim, Jieun; Hyun, Changgu; Kim, Yeong Shik; Park, Deokhoon (Planta Medica, 2006)