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. Author manuscript; available in PMC: 2020 Jul 13.
Published in final edited form as: JAMA. 2009 Jul 15;302(3):306–314. doi: 10.1001/jama.2009.1018

Figure 3. Hypothetical Spirogram and Flow Volume Curves for Bronchiolitis Obliterans Syndrome.

Figure 3.

The pulmonary function test pattern shown for patients with scleroderma and obstructive lung disease has been observed in patients with sclerotic graft-vs-host disease. FEV1 indicates forced expiratory volume in the first second of expiration; FVC, forced vital capacity; RV, residual volume; SVC, slow vital capacity; TLC, total lung capacity.