the following aspects are taken into consideration : general diagnosis of inflammation , infective processes with hemolytic streptococci and staphylococci , streptococcal agglutinations , rheumatoid factor tests in the strictest sense , detection of autoantibodies , the hla-system , investigations in metabolic diseases and generalized skeletal diseases , bacteriological and serological investigations in joint infections and tests in symptomatic diseases of joints and muscles .
C0035448
rheumatoid factor
C0004358
autoantibodies