title: Monoclonal origin of anatomically distinct basal cell carcinomas: is there really hard evidence at hand?
authors.forename: Maurice A M
authors.initials: MA
authors.lastname: van Steensel
authors.forename: Jorge
authors.initials: J
authors.lastname: Frank
mesh_terms: D002280:Basal Cell Carcinoma / Q000235:genetics*; D002899:Chromosomes, Human, Pair 9; D006801:Humans; D019656:Loss of Heterozygosity; D016609:Neoplasms, Second Primary / Q000235:genetics*; D012878:Skin Neoplasms / Q000235:genetics*; D049951:X Chromosome Inactivation