Volume 120, Issue 1, Pages S66-S68 (July 2001) T-Cell Activation in the Lungs of Patients With Systemic Sclerosis and Its Relation With Pulmonary Fibrosis  Paul Bresser, MD, Henk M. Jansen, MD, Frank R. Weller, MD, René Lutter, PhD, Theo A. Out, PhD  CHEST  Volume 120, Issue 1, Pages S66-S68 (July 2001) DOI: 10.1378/chest.120.1_suppl.S66 Copyright © 2001 The American College of Chest Physicians Terms and Conditions

Figure 1 Inverse relation between CD4+ T-cell activation according to CD27 expression and to CD25 expression. Filled circles = SSc, Spearman ρ, 0.78 (p = 0.013). Open circles = SScF, Spearman ρ, 0.78 (p = 0.0075). Open squares = IPF, Spearman ρ, 0.66 (p = 0.026). CHEST 2001 120, S66-S68DOI: (10.1378/chest.120.1_suppl.S66) Copyright © 2001 The American College of Chest Physicians Terms and Conditions