title: Annular keratotic papules on the extremities.
authors.affiliation: Hershey, Pennsylvania.
authors.forename: Jennifer A
authors.initials: JA
authors.lastname: Bennett
authors.affiliation: Hershey, Pennsylvania.
authors.forename: Jennie T
authors.initials: JT
authors.lastname: Clarke
authors.affiliation: Hershey, Pennsylvania.
authors.forename: Michael D
authors.initials: MD
authors.lastname: Ioffreda
mesh_terms: D000328:Adult; D018501:Antirheumatic Agents / Q000009:adverse effects; D004547:Elastic Tissue; D005121:Extremities; D005260:Female; D006801:Humans; D010396:Penicillamine / Q000009:adverse effects; D012595:Scleroderma, Systemic / Q000150:complications; D012871:Skin Diseases / Q000209:etiology* / Q000473:pathology* / Q000628:therapy
chemical_list: D018501:Antirheumatic Agents; D010396:Penicillamine