1. A new method for the serological grouping of streptococci using specific antibodies adsorbed to protein A-containing staphylococci.;Christensen;Infec. Immun.,1973
2. Capacity of group A, B, C, D and G streptococci to agglutinate sensitized red cells.;Christensen;Acta path. microbiol. scand. Sect. B.,1974
3. The demonstration of N. gonorrhoeae with the aid of fluorescent antibodies. 5. A comparison of different techniques absorption, one-step inhibition and counter staining for elimination of cross reactions.;Danielsson;Acta derm.-venereol.,1965
4. Fractionation of human serum proteins by gel filtration.;Flodin;Biochem. biophys. Acta (Amst.),1962
5. The serological classification of Streptococcus pyogenes;Griffith;J. Hyg. (Camb),1934