title: The 'ugly duckling' sign: identification of the common characteristics of nevi in an individual as a basis for melanoma screening.
authors.forename: J J
authors.initials: JJ
authors.lastname: Grob
authors.forename: J J
authors.initials: JJ
authors.lastname: Bonerandi
mesh_terms: D003880:Dermatology / Q000193:education; D003937:Diagnosis, Differential; D006801:Humans; D008403:Mass Screening; D008545:Melanoma / Q000473:pathology* / Q000517:prevention & control; D009506:Nevus / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology* / Q000517:prevention & control