title: Etiology and pathogenesis of rheumatoid arthritis. Current lines of investigation.
mesh_terms: D000936:Antigen-Antibody Complex; D001172:Arthritis, Rheumatoid / Q000209:etiology* / Q000235:genetics / Q000276:immunology / Q000382:microbiology; D001779:Blood Coagulation Factors; D003165:Complement System Proteins; D046508:Culture Techniques; D004195:Disease Models, Animal; D006801:Humans; D007596:Joints / Q000382:microbiology; D007705:Kinins; D007962:Leukocytes; D011602:Psychophysiologic Disorders; D012217:Rheumatoid Factor; D013583:Synovial Membrane / Q000473:pathology; D013585:Synovitis / Q000209:etiology
chemical_list: D000936:Antigen-Antibody Complex; D001779:Blood Coagulation Factors; D007705:Kinins; D003165:Complement System Proteins; D012217:Rheumatoid Factor