title: Precipitation of reactions in lepromatous leprosy by vaccinia.
mesh_terms: D006801:Humans; D007918:Leprosy / Q000150:complications*; D012899:Smallpox / Q000517:prevention & control; D012900:Smallpox Vaccine / Q000008:administration & dosage / Q000009:adverse effects*; D014615:Vaccinia / Q000209:etiology*
chemical_list: D012900:Smallpox Vaccine