[Seronegative rheumatoid arthritis].
D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis* / Q000276:immunology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000302:isolation & purification
D012217:Rheumatoid Factor
Reumatoidalne zapalenie stawów serologicznie ujemne.