title: [Transverse leukonychia induced by etretinate].
mesh_terms: D005050:Etretinate / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009260:Nail Diseases / Q000139:chemically induced*
chemical_list: D005050:Etretinate
vernacular_title: Leuconychie transversale induite par étrétinate.