title: Remission of chronic lymphocytic leukemia after smallpox vaccination.
mesh_terms: D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000628:therapy; D008875:Middle Aged; D012075:Remission, Spontaneous; D012900:Smallpox Vaccine; D014611:Vaccination
chemical_list: D012900:Smallpox Vaccine