[Problems in seronegative progressive polyarthritis].
D000917:Antibody Formation; D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000276:immunology*; D006801:Humans; D012217:Rheumatoid Factor / Q000302:isolation & purification; D012698:Serologic Tests
D012217:Rheumatoid Factor
Problémy séronegativní progresívní polyartritidy