Y. Ichimura, “Serum Angiopoietin-like Protein 3 Levels: Possible Correlation with Progressive Skin Sclerosis, Digital Ulcers and Pulmonary Vascular Involvement in Patients with Systemic Sclerosis”, Acta Derm Venereol, vol. 94, no. 2, pp. 157–162, Aug. 2013.