title: A new immunological phenomenon observed in BCG and vole-bacillus-revaccinated persons.
mesh_terms: D000293:Adolescent; D000818:Animals; D003411:Arvicolinae; D001500:BCG Vaccine / Q000627:therapeutic use*; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology; D008297:Male; D008875:Middle Aged; D013997:Time Factors; D014611:Vaccination
chemical_list: D001500:BCG Vaccine