title: Influence of the age of mycobacterial cultures on the protein and carbohydrate composition of tuberculins.
mesh_terms: D000367:Age Factors; D000645:Ammonium Sulfate; D001426:Bacterial Proteins / Q000032:analysis*; D002458:Cell Fractionation; D011232:Chemical Precipitation; D003470:Culture Media / Q000032:analysis; D003956:Dialysis; D005612:Freeze Drying; D009169:Mycobacterium tuberculosis / Q000032:analysis* / Q000254:growth & development; D009584:Nitrogen / Q000032:analysis; D011135:Polysaccharides, Bacterial / Q000032:analysis*; D013997:Time Factors; D014373:Tuberculin / Q000032:analysis*
chemical_list: D001426:Bacterial Proteins; D003470:Culture Media; D011135:Polysaccharides, Bacterial; D014373:Tuberculin; D009584:Nitrogen; D000645:Ammonium Sulfate