title: Efficacy and safety of polyacrylamide hydrogel for facial soft-tissue augmentation.
authors.forename: Ulrich K
authors.initials: UK
authors.lastname: Kesselring
mesh_terms: D001672:Biocompatible Materials / Q000009:adverse effects*; D003357:Cosmetic Techniques / Q000009:adverse effects*; D005549:Foreign-Body Reaction / Q000209:etiology*; D006801:Humans; D006820:Hyaluronic Acid / Q000009:adverse effects*; D020136:Hydrogel, Polyethylene Glycol Dimethacrylate / Q000627:therapeutic use; D008863:Microspheres; D019904:Polymethyl Methacrylate / Q000009:adverse effects*
chemical_list: D001672:Biocompatible Materials; D020136:Hydrogel, Polyethylene Glycol Dimethacrylate; D006820:Hyaluronic Acid; D019904:Polymethyl Methacrylate