title: Ulcerative perianal lichen planus.
authors.forename: C M
authors.initials: CM
authors.lastname: Payne
authors.forename: J F
authors.initials: JF
authors.lastname: McPartlin
authors.forename: P R
authors.initials: PR
authors.lastname: Hawley
mesh_terms: D001004:Anus Diseases / Q000473:pathology*; D006801:Humans; D008010:Lichen Planus / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D014456:Ulcer / Q000473:pathology