THE LACK OF RHEUMATOID FACTOR IN PSORIATIC ARTHRITIS.
D001168:Arthritis; D015535:Arthritis, Psoriatic; D001172:Arthritis, Rheumatoid; D035843:Biomedical Research; D001774:Blood Chemical Analysis; D006801:Humans; D007592:Joint Diseases; D011565:Psoriasis; D012217:Rheumatoid Factor
D012217:Rheumatoid Factor
ARTHRITIS, RHEUMATOID; BLOOD CHEMICAL ANALYSIS; CLINICAL RESEARCH; JOINT DISEASES; PSORIASIS; RHEUMATOID FACTOR