Rheumatoid arthritis and the positive L.E.-cell phenomenon.
D001168:Arthritis; D001172:Arthritis, Rheumatoid; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000097:blood*
ARTHRITIS, RHEUMATOID; LUPUS ERYTHEMATOSUS, DISSEMINATED/blood in