immunofluorescence ( if ) data from three different biopsy sites ( nailfold , forearm , buttock ) were studied in 18 patients with scleroderma ( sd , systemic sclerosis ) and the results compared with those obtained from 10 normal controls ( nc ) and 7 patients with systemic lupus erythematosus ( sle ) .
C0011644
scleroderma
C0036421
systemic