the lupus anticoagulant was found in the plasma of 31 of 60 patients with systemic lupus erythematosus and other connective tissue disorders ( mixed connective tissue disease , systemic vasculitis , polyarteritis nodosa , primary sicca syndrome , discoid lupus , behcet 's syndrome , and systemic sclerosis ) .
C0009782
connective tissue disorders
C0036421
systemic sclerosis