“Serum Klotho Concentrations Inversely Correlate With the Severity of Nailfold Capillaroscopic Patterns in Patients With Systemic Sclerosis”. Reumatismo 71, no. 1 (April 1, 2019): 19–23. Accessed May 24, 2025. https://www.reumatismo.org/reuma/article/view/1129.