title: Can we agree to disagree?--reflections.
authors.forename: A Bernard
authors.initials: AB
authors.lastname: Ackerman
mesh_terms: D009369:Neoplasms / Q000175:diagnosis*; D015588:Observer Variation; D010338:Pathology, Clinical / Q000592:standards*; D011230:Precancerous Conditions / Q000175:diagnosis