title: Presence of the human blood group substance P in gram negative bacilli.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000276:immunology*; D001789:Blood Group Antigens; D010856:Columbidae; D004755:Enterobacteriaceae / Q000276:immunology; D004926:Escherichia coli / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology; D007519:Isoantigens / Q000302:isolation & purification*; D007709:Klebsiella / Q000276:immunology; D011014:Pneumonia / Q000209:etiology; D011511:Proteus / Q000276:immunology; D011563:Psittaciformes; D013577:Syndrome
chemical_list: D001789:Blood Group Antigens; D007519:Isoantigens