title: Ectodermal immunity and its significance in oncogenesis: material for a hypothesis.
mesh_terms: D006801:Humans; D007111:Immunity, Cellular; D009369:Neoplasms / Q000276:immunology*; D012867:Skin / Q000276:immunology*; D012878:Skin Neoplasms / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology