pleural tissues from a group of 36 consecutive patients comprised of 15 malignancies , 3 tuberculous , 2 rheumatoid arthritis , 3 procainamide-induced systemic lupus erythematosus ( sle ) syndromes , 1 infectious mononucleosis , and 12 nonspecific pleural effusions undergoing needle biopsy were studied by immunofluorescent techniques for antibody deposition .
C0033216
procainamide
C0024141
systemic lupus erythematosus