An approach to the study of soluble antigen-antibody complexes in clinical disease.
D000818:Animals; D000937:Antigen-Antibody Reactions; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D001681:Biological Assay; D002850:Chromatography, Gel; D006168:Guinea Pigs; D006636:Histamine Release; D006801:Humans; D013582:Synovial Fluid / Q000032:analysis