RNPC3 and Oral ulcer: The clinical and serological findings of the population studied, obtained in a cumulative manner during the course of the disease, showed that there was photosensitivity in 70.7%, malar erythema in 48.9%, oral ulcers in 45.6%, psychosis in 8.3%, convulsions in 11.1%, serositis in 20.1%, leukopenia in 27.8%, decreased platelet count in 22.3%, hemolytic anemia in 4.8%, glomerulonephrites in 42.3%, anti-dsDna in 33.3%, anti-Ro in 37.3%, anti-La in 21.2%, anti-Sm in 23.5%, and anti-RNP in 27.3%.