“Clinical Significance of Anti-U1 Ribonucleoprotein Antibody in Anti-Topoisomerase I Antibody-Positive Systemic Sclerosis Patients: A Retrospective Observational Study”. Archives of Clinical and Biomedical Research 5, no. 1 (January 20, 2021): 76–84. Accessed September 17, 2026. https://fortunejournals.org/ojs/index.php/acbr/article/view/14819.