title: Deep penetrating nevus.
authors.affiliation: University of California Irvine.
authors.forename: R J
authors.initials: RJ
authors.lastname: Barr
mesh_terms: D000328:Adult; D001415:Back; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008545:Melanoma / Q000473:pathology; D009508:Nevus, Pigmented / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*