Trollfors, B., Burman, L., Dannetun, E., Llompart, J., & Norrby, R. (1983). Serotyping of Streptococcus pneumoniae strains by coagglutination and counterimmunoelectrophoresis.

Trollfors, B., L. Burman, E. Dannetun, J. Llompart, و R. Norrby. Serotyping of Streptococcus Pneumoniae Strains By Coagglutination and Counterimmunoelectrophoresis. 1983.

Trollfors, B., et al. Serotyping of Streptococcus Pneumoniae Strains By Coagglutination and Counterimmunoelectrophoresis. 1983.