title: SIN, not KIN.
authors.forename: David S
authors.initials: DS
authors.lastname: Cassarino
authors.forename: Ronald J
authors.initials: RJ
authors.lastname: Barr
mesh_terms: D002278:Carcinoma in Situ / Q000145:classification / Q000175:diagnosis*; D002294:Carcinoma, Squamous Cell / Q000145:classification / Q000175:diagnosis*; D002467:Cell Nucleus / Q000473:pathology; D006801:Humans; D015603:Keratinocytes / Q000473:pathology*; D015588:Observer Variation; D011230:Precancerous Conditions / Q000145:classification / Q000175:diagnosis*; D015203:Reproducibility of Results; D012878:Skin Neoplasms / Q000145:classification / Q000175:diagnosis*