title: A second experiment to challenge the resistance to tuberculosis in B.C.G. vaccinated cattle in Malawi.
mesh_terms: D000818:Animals; D001500:BCG Vaccine; D002417:Cattle; D005260:Female; D008198:Lymph Nodes / Q000473:pathology; D008295:Malawi; D008297:Male; D009163:Mycobacterium bovis / Q000472:pathogenicity; D014374:Tuberculin Test; D014380:Tuberculosis, Bovine / Q000517:prevention & control*
chemical_list: D001500:BCG Vaccine