title: Dermal dopa-positive cells in lichen planus.
mesh_terms: D000818:Animals; D004156:Catechol Oxidase / Q000378:metabolism; D004295:Dihydroxyphenylalanine; D006801:Humans; D008010:Lichen Planus / Q000201:enzymology / Q000473:pathology*; D008264:Macrophages; D008543:Melanins; D008544:Melanocytes; D012867:Skin / Q000473:pathology*
chemical_list: D008543:Melanins; D004295:Dihydroxyphenylalanine; D004156:Catechol Oxidase