title: Psoralen ultraviolet A-induced melanonychia.
authors.affiliation: Alan Lyell Centre for Dermatology, Western Infirmary, Glasgow, UK. parkins38@hotmail.co.uk.
authors.forename: G J
authors.initials: GJ
authors.lastname: Parkins
authors.forename: A D
authors.initials: AD
authors.lastname: Burden
authors.forename: A
authors.initials: A
authors.lastname: Makrygeorgou
mesh_terms: D006801:Humans; D008297:Male; D008548:Melanosis / Q000139:chemically induced*; D008875:Middle Aged; D009260:Nail Diseases / Q000139:chemically induced*; D011701:PUVA Therapy / Q000009:adverse effects*