Injectable collagen implants.
D000152:Acne Vulgaris / Q000601:surgery; D000328:Adult; D002921:Cicatrix / Q000601:surgery; D003094:Collagen / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008875:Middle Aged; D019736:Prostheses and Implants; D012871:Skin Diseases / Q000601:surgery*
D003094:Collagen