title: Studies into the occurrence of soluble antigen-antibody complexes in disease. V. Second assessment of correlation between the rheumatoid biologically active factor (RBAF) and the clinical features of rheumatoid arthritis.
mesh_terms: D000936:Antigen-Antibody Complex; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007841:Latex Fixation Tests; D008297:Male; D008875:Middle Aged; D009504:Neutrophils; D012217:Rheumatoid Factor / Q000032:analysis*; D012995:Solubility; D013997:Time Factors
chemical_list: D000936:Antigen-Antibody Complex; D012217:Rheumatoid Factor