The effect of various factors on the immunising power of a urea-killed tubercle vaccine.
D007114:Immunization; D014376:Tuberculosis / Q000276:immunology*; D014508:Urea / Q000494:pharmacology*; D014611:Vaccination; D014612:Vaccines
D014612:Vaccines; D014508:Urea
TUBERCULOSIS/immunology; UREA/effects