title: Malignant tumors in smallpox vaccination scars: a report of 24 cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002273:Carcinogens; D002280:Basal Cell Carcinoma / Q000209:etiology*; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008545:Melanoma / Q000209:etiology*; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D012878:Skin Neoplasms / Q000209:etiology* / Q000628:therapy; D012899:Smallpox / Q000517:prevention & control*; D014611:Vaccination / Q000009:adverse effects*; D014616:Vaccinia virus / Q000472:pathogenicity; D012901:Variola virus / Q000472:pathogenicity
chemical_list: D002273:Carcinogens