title: Use of injectable collagen for cosmetic lines of the face: preliminary report.
mesh_terms: D000375:Aging; D003094:Collagen / Q000008:administration & dosage* / Q000009:adverse effects; D005145:Face / Q000601:surgery*; D005260:Female; D006801:Humans; D007279:Injections, Subcutaneous; D013518:Surgery, Plastic / Q000379:methods*
chemical_list: D003094:Collagen