A buffered chromic chloride method of attaching antigens to red cells: use in haemagglutination.

ABO Blood-Group System Antigens/metabolism Antigens, Bacterial Buffers Chlorides/metabolism Chromium/metabolism Erythrocytes/immunology Hemagglutination Tests/standards Hemolytic Plaque Technique Humans Lipoproteins Methods Phosphates Piperazines Polysaccharides, Bacterial Serum Albumin Streptococcus pneumoniae/immunology Thyroglobulin gamma-Globulins

ABO Blood-Group System Antigens Antigens, Bacterial Buffers Chlorides Lipoproteins Phosphates Piperazines Polysaccharides, Bacterial Serum Albumin gamma-Globulins Chromium Thyroglobulin