natural killer ( nk ) cell activity was measured in 80 patients with rheumatoid arthritis ( ra ) grouped according to medication into 1 ) controls not in remission-inducing therapy , 2 ) patients treated with oral gold ( auranofin ) , 3 ) parenteral gold ( sodium aurothiomalate ) and 4 ) azathioprine .
C0003873
rheumatoid
C0018026
gold