The effects of vole bacillus vaccination of African mine workers in the Northern Rhodesian copper mines.
D000818:Animals; D003411:Arvicolinae; D001407:Bacillus; D003300:Copper; D006801:Humans; D008906:Mining; D012829:Silicosis / Q000150:complications*; D014376:Tuberculosis / Q000276:immunology*; D014611:Vaccination
D003300:Copper
SILICOSIS/complications; TUBERCULOSIS/immunology