Matsuda, Kazuki M, Ayumi Yoshizaki, Hirohito Kotani, Ai Kuzumi, Maiko Fukayama, Takemichi Fukasawa, Satoshi Ebata, et al. 2021. “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 (1):76-84. https://fortunejournals.org/ojs/index.php/acbr/article/view/14819.