[Rheumatoid factor detection by human type O-sensitized erythrocytes].
D000017:ABO Blood-Group System; D004912:Erythrocytes / Q000276:immunology*; D006801:Humans; D007074:Immunoglobulin G; D012217:Rheumatoid Factor / Q000032:analysis*
D000017:ABO Blood-Group System; D007074:Immunoglobulin G; D012217:Rheumatoid Factor