Appelmelk, B J Antigenic and immunogenic differences in lipopolysaccharides of Escherichia coli J5 vaccine strains of different origins. [electronic resource] - Journal of general microbiology Nov 1993 - 2641-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-1287 Standard No.: 10.1099/00221287-139-11-2641 doi Subjects--Topical Terms: Antibodies, MonoclonalBacterial Vaccines--immunologyEndotoxins--analysisEscherichia coli--immunologyLipopolysaccharides--chemistryO AntigensPolysaccharides, Bacterial--analysis