title: Squamous cell carcinomas of the head, neck, and skin. Monoclonal or polyclonal origin?
authors.forename: N B
authors.initials: NB
authors.lastname: Atkin
authors.forename: M C
authors.initials: MC
authors.lastname: Baker
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D002999:Clone Cells; D006258:Head and Neck Neoplasms / Q000473:pathology*; D006801:Humans; D012878:Skin Neoplasms / Q000473:pathology*