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Figure 2 | Arthritis Research & Therapy

Figure 2

From: Pulmonary hypertension associated with sarcoidosis

Figure 2

Endothelin-1 levels in BAL fluid from patients with interstitial lung disease, COPD, and control individuals. Levels of endothelin (ET)-1 in bronchoalveolar lavage (BAL) fluid specimens taken from patients with sarcoidosis (Sarc; n = 8), idiopathic pulmonary fibrosis (IPF; n = 9), fibrosing alveolitis in systemic sclerosis (PSS; n = 13) and chronic obstructive pulmonary disease (COPD; n = 8) were examined. A heterogeneous group of 19 patients served as control individuals. *Significantly higher than controls of COPD [18].

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