title: Discoloration following collagen injections.
authors.forename: P K
authors.initials: PK
authors.lastname: Davis
mesh_terms: D000328:Adult; D003094:Collagen / Q000009:adverse effects*; D005260:Female; D006801:Humans; D010859:Pigmentation Disorders / Q000209:etiology*; D015361:Rhytidoplasty / Q000009:adverse effects*
chemical_list: D003094:Collagen