P174 Effect of continued treatment with pirfenidone following a ≥10% relative decline in percent predicted forced vital capacity (%FVC) in patients with idiopathic pulmonary fibrosis (IPF)
P174 Effect of continued treatment with pirfenidone following a ≥10% relative decline in percent predicted forced vital capacity (%FVC) in patients with idiopathic pulmonary fibrosis (IPF)