title: Centennial: Koch's discovery of the tubercle bacillus.
mesh_terms: D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D009161:Mycobacterium / Q000302:isolation & purification*; D009170:Nontuberculous Mycobacteria / Q000302:isolation & purification*; D014376:Tuberculosis / Q000266:history*