NO and EDHF pathways in pulmonary arteries and veins are impaired in COPD patients
Keywords: L-NNA، NG-nitro-l-arginine; COPD, chronic obstructive pulmonary disease; EDHF, endothelium-derived hyperpolarizing factor; Indo, indomethacin; L-NNA, NG-nitro-l-arginine; NO, nitric oxide; eNOS, nitric oxide synthase; HbO, oxyhemoglobin; PMSF, phenylmethylsulfonyl fluoride; p-eNOS,