Sputum autoantibodies in patients with established rheumatoid arthritis and subjects at risk of future clinically apparent disease.
Willis VC, Demoruelle MK, Derber LA, Chartier-Logan CJ, Parish MC, Pedraza IF, Weisman MH, Norris JM, Holers VM, Deane KD. Sputum autoantibodies in patients with established rheumatoid arthritis and subjects at risk of future clinically apparent disease. Arthritis Rheum. 2013 Oct; 65(10):2545-54.