dayanaratorres12821 dayanaratorres12821 30-01-2024 Biology contestada What does the presence of anti-topoisomerase I (anti-SCl⁻70) antibody indicate? 1) Systemic lupus erythematosus (SLE) 2) Rheumatoid arthritis (RA) 3) Systemic sclerosis (SSc) 4) Sjögren's syndrome