title: Tracing the roots of squamous cell carcinomas.
mesh_terms: D000818:Animals; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D018859:Hair Follicle / Q000166:cytology; D006801:Humans; D051379:Mice; D012867:Skin / Q000166:cytology; D012878:Skin Neoplasms / Q000209:etiology*; D018631:ras Proteins / Q000502:physiology
chemical_list: D018631:ras Proteins