title: Reflections on the definition and biologic behavior of some dermatologic diseases.
mesh_terms: D006801:Humans; D011230:Precancerous Conditions / Q000473:pathology*; D012867:Skin / Q000473:pathology; D012871:Skin Diseases / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*