1. Interaction of E. coli strains with human serum: Lack of relationship to K1 antigen;Björkstén;J. Pediatrics,1977
2. K antigens of Escherichia coli and renal involvement in urinary-tract infections;Glynn;Lancet,1971
3. The virulence for mice of strains of Escherichia coli related to the effects of K antigens on their resistance to phagocytosis and killing by complement;Howard;Immunol.,1971
4. Immunology of Escherichia coli; K antigens and its relation to urinary-tract infection;Kaijser;J. Infect. Dis.,1973