title: Primary malignant melanoma in a smallpox vaccination scar: report of a case and review of the literature.
mesh_terms: D002921:Cicatrix; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008545:Melanoma / Q000453:epidemiology / Q000209:etiology*; D008875:Middle Aged; D012878:Skin Neoplasms / Q000453:epidemiology / Q000209:etiology; D012900:Smallpox Vaccine / Q000009:adverse effects*; D014481:United States
chemical_list: D012900:Smallpox Vaccine