title: Topical immunotherapy with squaric acid dibutylester: unusual hair pigmentary changes in two cases of alopecia areata.
authors.forename: M
authors.initials: M
authors.lastname: Mastrolonardo
authors.forename: A
authors.initials: A
authors.lastname: Diaferio
mesh_terms: D000287:Administration, Topical; D000328:Adult; D000506:Alopecia Areata / Q000175:diagnosis / Q000188:drug therapy*; D003503:Cyclobutanes / Q000008:administration & dosage* / Q000009:adverse effects*; D004334:Drug Administration Schedule; D005260:Female; D005500:Follow-Up Studies; D006197:Hair / Q000187:drug effects / Q000254:growth & development; D006200:Hair Color / Q000187:drug effects*; D006801:Humans; D007167:Immunotherapy / Q000379:methods; D010859:Pigmentation Disorders / Q000139:chemically induced*; D018570:Risk Assessment
chemical_list: D003503:Cyclobutanes; C030042:squaric acid