title: Isolation of tubercle bacilli from uncentrifuged sputum on pyruvic acid medium.
mesh_terms: D002498:Centrifugation; D003470:Culture Media; D004531:Eggs; D005990:Glycerol; D006801:Humans; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification*; D011773:Pyruvates; D013183:Sputum / Q000382:microbiology*
chemical_list: D003470:Culture Media; D011773:Pyruvates; D005990:Glycerol