to ascertain whether igg antiguanosine antibodies are associated with the development of the symptoms of systemic lupus erythematosus , we compared the levels of these antibodies in the sera of 65 patients receiving procainamide : 18 with procainamide-induced symptoms and 47 asymptomatic patients .
C0024141
systemic lupus erythematosus
C0033216
procainamide