title: [Pigmentation band on toenail].
authors.affiliation: Hospital Infantil La Paz, Madrid, Spain. jguerrerof@yahoo.es
authors.forename: J
authors.initials: J
authors.lastname: Guerrero-Fernández
authors.forename: M T
authors.initials: MT
authors.lastname: García-Ascaso
authors.forename: J
authors.initials: J
authors.lastname: Guerrero Vázquez
mesh_terms: D002675:Child, Preschool; D006801:Humans; D008297:Male; D008544:Melanocytes; D009260:Nail Diseases / Q000473:pathology*