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Expression of CYP2D6 and CES1 in lung sections of idiopathic PAH (IPAH), cystic fibrosis (CF), and idiopathic pulmonary fibrosis (IPF) patients. A–C: representative immunofluorescence studies of IPAH (A), CF (B), and IPF (C) lung sections stained for CYP2D6 (red). D–F: lung sections from IPAH (D), CF (E), and IPF (F) stained for CES1. CD31 (green) stains for endothelial cells. Scale bar, 25 μm.
