title: The diagnostic concordance of actinic keratosis and squamous cell carcinoma.
authors.forename: John C
authors.initials: JC
authors.lastname: Pui
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000145:classification / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D007642:Keratosis / Q000145:classification / Q000175:diagnosis*; D012878:Skin Neoplasms / Q000145:classification / Q000175:diagnosis*