title: Unusual late reactions to Zyderm I injections.
authors.forename: R
authors.initials: R
authors.lastname: Moscona
authors.forename: R
authors.initials: R
authors.lastname: Bergman
mesh_terms: D003094:Collagen / Q000008:administration & dosage / Q000009:adverse effects*; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000209:etiology* / Q000473:pathology; D007267:Injections
chemical_list: D003094:Collagen