Fig. 3From: Fractional exhaled nitric oxide in idiopathic pulmonary arterial hypertension and mixed connective tissue disease complicating pulmonary hypertension(A) Association between FeNO levels and R20% in severe PH patients with MCTD. (B) FeNO levels in patients with mild and severe PH in MCTD-PH (Graphing replicates or error bars plot: Median). See Table 1 legend for expansion of abbreviationsBack to article page