Figure 1From: Increased respiratory drive relates to severity of dyspnea in systemic sclerosis Correlation between the UCSD dyspnea score [[18]] and V’E/P0.1 in 73 prospectively screened SSc patients. Vertical line set at V’E/P0.1 = 8 L/min/cmH2O. Horizontal line set at UCSD 8.5.Back to article page