title: Isolation of specific and nonspecific components from purified protein derivative.
mesh_terms: D000818:Animals; D001426:Bacterial Proteins / Q000032:analysis*; D003429:Cross Reactions; D006168:Guinea Pigs; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D011135:Polysaccharides, Bacterial / Q000032:analysis*; D014373:Tuberculin / Q000032:analysis*
chemical_list: D001426:Bacterial Proteins; D011135:Polysaccharides, Bacterial; D014373:Tuberculin