title: Comparative study on the ultrastructure of malignant melanoma and pigmented nevi.
mesh_terms: D000818:Animals; D006224:Cricetinae; D006801:Humans; D008545:Melanoma / Q000473:pathology*; D008854:Microscopy, Electron; D009374:Neoplasms, Experimental; D009508:Nevus, Pigmented / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*